A car is traveling up a 2% grade at 70 mi/h on good, wet pavement. e. 1 Hour The car and truck are moving with uniform velocities. If the car's speed doubles, how much. This number changes with the weight of the truck. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. 8 million pounds of force. 2v − 500 = 0, giving v = 80. 0-kg sprinter starts a race with an acceleration of 4. Risks vary significantly by age. At first, when the driver applies the brakes, a software flaw causes the anti-lock braking system to fail (brakes work in non-anti-lock mode with 80% efficiency. asked in Education by voice (257k points) jobs-n. Write the expression to calculate the air resistance: Here, is the air resistance force, is the density of air at sea level, is the drag coefficient, is the cross-sectional area, is the vehicle speed, and is the acceleration due to gravity. G. 4. Add an answer. • At 20 mph, the average vehicle will travel an additional 18 feet after the brakes are applied for a total stopping distance of 62 feet • At 50 mph, the vehicle will travel an additional 111 feet for a total stopping distance of 221 feet • At 80 mph, the vehicle will travel an additional 284 feet for a total stopping distance of 460 feetA 3,000 pound car traveling at 70 MPH has 15. According to Newton’s second law of motion, a 3,000-pound vehicle traveling at 70 miles per hour has approximately 15. See page 61). It gets to 30 mph in 0. Where a vehicle is totaled in a car accident, it's a pretty safe bet that one or more of the vehicles involved was traveling at a high rate of speed -- though it's not necessarily proof of speeding. An 80,000 lb semitruck A (the maximum weight allowed in many state) is traveling at 70 mph when it encounters a swarm of mosquitoes B. The V-8 rips too, hurling the 5317-pound 760i to 60 mph in just 3. 2), V is the average speed of the car in meters per second (65 mph is 29. As a general rule, for every mile per hour over 55, you lose 2% in fuel economy. Assuming that the entire swarm sticks to the truck, the mass of each mosquito is 2 mg, and that all of these mosquitoes do not. Sarah is a. Find the drag force B) if this same car goes up a 6% grade at 60 mph, and the drag is the same, find the power of the engine required Any average-sized vehicle can easily weigh over 3,000 pounds. the rate, in miles per hour, at which the distance between the cars is changing is. In this case, this works out to be . If the box is displaced by 6 meters, the amount of work done on the box is. 28ms^-1 North (b) approx 54. Meanwhile a 2500-lb car B is traveling at 4 ft/s to the left. 70 g. A three thousand-pound car traveling at 70 mph has 15. 30 newton/(km/h) to lbs/(mph) = 10. If the distance from the stopping point to the wall is 10. 210 Joules d. A car is traveling on a paved road with CD = 0. Study with Quizlet and memorize flashcards containing terms like What is the momentum of a 2000-kg truck traveling at 35 m/s? A) 57 kgoem/s B) 3. 8 million pounds of force to release in a crash. Choices: a. Q-Chat Created by kcgrieco Terms in this set (10) At 60 mph, on dry pavement, the vehicle-braking distance for a 3000 pound vehicle to come to a stop is a. 82 miles/min: 50 mph: 0. Which of the following is true?, A car traveling at 20 mph on a curved exit ramp has a constant velocity. 1 pound-force is the gravitational force exerted by the Earth on a mass of 1 pound. A 3,000-pound car is cornering a 300-foot-radius freeway turn at 30 mph. Using the first kinetic energy equation above, replace the values for m and v and get KE = 2200 · (11. 88 mph The predecessor to the Thrust SSC, the Thrust 2 held the speed record from 1982 to 1997. 7 ˛ 10-3 kgoem/s B) 6. Rear-mount cargo boxes or trays reduce fuel economy by much less—only 1% or 2% in city driving and 1% to 5% on the highway. 71 (in drive) works out to 100 mph!) According to the Camquest program dyno, 340 torque peak should be around 3500 rpm. The calculator uses the standard formula from Newtonian physics to figure out how long before the falling object goes splat: The force of gravity, g = 9. At what speed should you make a 525-mile trip: (a) If gas costs $3 per gallon and your time is worth $18/hr? (b) If gas costs $4 per gallon and your time is worth $12/hr?A normal passenger car traveling at a speed of 65 miles per hour would require about 300 feet to stop. It is unlikely that all the cars and trucks involved in a collision will travel at precisely the same speed, for example, that all three cars in an accident were moving at exactly 30 mph at the time of the crash. 75% (4 ratings) for this solution. Even at 70 mph, your. , A heavy object and a light object are dropped from the rest at the same time on a planet with no air (vacuum). car traveling at 60 mph? This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. In the field RPM, the calculator will tell you your new RPM at 60 mph in 3rd gear (3318 rpm). Assuming the direction is up, calculate the acceleration. A) a 3,000- lb car engine develops a useful output power of 40 hp when traveling at 60 mph (88 ft/s) on a level road. A 3,000 pound car traveling at 70 mph has 15. 2 , and (b) the work done in stretching the wire, in ft # lb. Air Drag Coefficients and Frontal Area Calculation. ) TRUE B. A rocket blasts off. Within 75 feet when traveling at a speed of 20 mph. Find step-by-step Engineering solutions and your answer to the following textbook question: Consider a 3000 lb car whose speed is increased by 30 mph. Hint: Friction force has two components: along the t-axis and n-axis 100 ft Ans: (a)max22. 681818. Traveling at 65 miles per hour (mph) instead of 55 mph can consume almost 20% more fuel. increases. A car weighing 3000 lb, traveling at 60 mph, decelerates at 0. Many factors affect horsepower. Modeling the car as a particle and assuming that the car is traveling on a rectilinear and horizontal stretch of road, determine the amount of work done on the car throughout the acceleration process if the. 1 Answer/Comment. 9 seconds at 138 mph. Fill in the field Vehicle speed with your vehicle speed (60 mph); and. W = F l (4) where . 1 Answer/Comment. 61 mph. A 3,000 pound car traveling at 70 mph has _____ million pounds of force to release in an impact. See Answer. 8 million pounds of force to release in a crash. Brenes is controlling. 8 billion gals. 72 miles/min: 44 mph: 0. A truck’s stopping distance increases, even more, when it is hauling a heavy load and/or there are adverse road conditions like. Aurora and Lokee Pine, a married couple, are the owners of Misfitz and are very hands-on in the running of the. The car can be modeled as a SDOF with a stiffness of 30,000 lb/ft and a damping ratio of 0. 50 m/s begins to accelerate forward uniformly at 0. A) 11. (center of gravity) of the test vehicle is 3. 8 three times the speed of a vehicle will mean the vehicle will have ___ times. If the 3,000 pound car was traveling at 80 mph the car. A car with weight 3000 lb traveling at 30 mph rounds a corner on an unbanked road with radius 100 ft. A 3,000 pound vehicle traveling at 60 mph will require about 300 to 500 feet to stop. 80 miles/min: 49 mph: 0. Ah So here we have to. of diesel fuel over a decade. A car traveling at 70 mph will typically travel about 308 feet before coming to a complete stop. Transcribed image text: 3. Log in for more information. 8 million pounds of force to release in an impact. Jewett. Let's say the posted speed limit on a rural highway is 55 miles per hour, and a crash results in a totaled. The Relative Speeds of the Vehicles. 0%. 15) A 100-kg box is pushed with a force of 35 lb. Stopping distance: The average stopping distances should be multiplied by 2 for stopping distances in the rain and. ∙ 2016-06-10 17:27:02. 924 Joules. A driver travelling at 50 mph is 80 m from the wall ahead. Kinetic energy is the energy released when the car slows down or. Let the velocity of truck be v_t=50 miles/hr Let the starting point of car be O then The starting point of the truck will be 20 Miles from the point O. So, we write this total time two-ways travel equation + = 6. Okay in this question you asked, calculate the kinetic energy of a car that is away £3,000. 5 sec) and that the collision surface measured eight square feet. A 3000 pound car traveling 70 mph . F = 640 pounds. vehicle braking distance. 550 m/s2. A normal passenger vehicle traveling at a speed of 65 miles per hour would take about 316 feet to stop. Calculate the acceleration. The amount of downforce is amazing — once the car is traveling at 200 mph (322 kph),. The acceleration due to gravity is 32. 99 for a one time purchase. Where: p = momentum. Previous question Next question. 40 mph (1609 meters/ 1 mile)(1 hour/3600 sec. New answers. It would take less than a half hour to travel 30 miles at 70 miles per hour. Enter 4,000 in the "mass" box and choose pounds from its menu. Assume that the brakes are not applied during a collision. Or, if you want to estimate travel times for speeds greater than 200 (jet, future commuter rail, Amtrak, high speed trains, etc. 1/4 inch d. 1 mile per hour = 1. 46 seconds to travel the ¼ mile and its top speed (called "trap speed") will be 108. The driver of a 3,000-pound car, moving at 40 mph, applies increasing force on the brake pedal. By determining average speed, you can assume that your speed is constant and multiply it with the traveling time to know the distance covered. 4), 1 mph is equal to 0. For example, if your automobile gets 30 miles per gallon at 55 mph, the fuel consumption is 21 miles per gallon at 70 mph. 3. 7 feet per second. 97 miles/min: 59 mph: 0. Method I:The motorcycle is travelling at a relative speed of 70-40 = 30 mph. In 2012, Austrian Felix. The '70 VW Beetle may be a primitive car by modern standards, but it's light-years ahead of the 1949 VW Beetle. . having a head-on collision with an identical car traveling atUTVs: 50-170 HP = 50-85 mph (1-1. 2300 lb's 1043 kg (mass of car) 40 mph 18 m/s (mps) (velocity of car) We can just estimate t to be . Tank trucks marked with hazardous. Gerrice has 10 pounds of cereal squares. 5 mph each second. Question. In the field Transmission ratio, enter your (already computed) transmission ratio (3. 41 m/s momentum = velocity * mass momentum = 13. . 0 ft/s^2 and catches the truck in 0. For example, a 2,400 pound vehicle with a quarter-mile time of 11. To hit the big number, you'll need an XLT or Lariat trim with the optional extended-range battery, and the Max Trailer. Assume it took 0. the acceleration of the object. Scudder January 13, 2008, 7:27pm 7. See Answer. Added 9/24/2021 7:16:49 PM. 3 second, despite the latter. Plow the same car into a tree at 40 mph and the amount of energy. It means that a sound wave in air needs about 2. 8 second, hits 60 mph in 2. Explanation. Two cars are traveling along perpendicular roads, car A at 40 mph and car B at 60 mph. At 70 mph, it takes 1 hour and 26 minutes to drive 100 miles. 2 hours later Deshaun left traveling at 70 mph. A 3,000-lb car is traveling at 10 mi/h on a roadway with level grade covered with hard-packed snow. The force generated by a crash depends on several factors, such as the mass of the car, the speed at which it is traveling, the distance. To solve, multiply both sides by 420. Determine the maximum deceleration the car can have to stay on the circular path if the total friction force from all tires is limited to 2400 lb. 0 kg cart to which is attached a 2. To calculate this answer, follow these steps: Calculate total break time: 15 min + 60 min + 15 min = 1 hr 30 min. Ford estimates that range for the 2022 F. a = mi/h2-150 S. 25 225 306. a. m = mass. 002378 slugs/ft3. At the end of the second the personA large, blunt roof-top cargo box, for example, can reduce fuel economy by around 2% to 8% in city driving, 6% to 17% on the highway, and 10% to 25% at Interstate speeds (65 mph to 75 mph). The total momentum of the ball is zero. Within 50 feet when traveling at a speed of 20 mph. At this speed it has to make up the distance of 120 miles. 160 feet d. Search for an answer or ask Weegy. When a car crashes, the impact can create a tremendous amount of energy, equal to 15. A 3,000 Pound Car Traveling At 70 Mph Has 15. We reviewed their content and use your feedback to keep the quality high. 181 seconds. m. Who are the experts? Experts are tested by Chegg as specialists in their subject area. A 1070 kg car and 3680 kg truck undergo a perfectly inelastic collision. Asked 9/24/2021 6:27:57 PM. A 3,000 pound car traveling at 70 mph has 15. Explanation: When a car is traveling at 70 mph, it covers a significant distance before it can come to a full stop. Touching 180 miles per hour, any stationary or in-motion vehicle has an increased chance of. How many feet per second are in a mile per hour? Use this easy and mobile-friendly calculator to convert between miles per hour and feet per second. 30, fully charging a Tesla costs an. ) Assuming that the entire swarm sticks to the truck, and that the weight of each dragonfly is 0. com A 3,000 pound car traveling at 70 mph has 15. A passenger vehicle weighing 4,000 pounds, traveling under ideal conditions at a speed of 65 miles per hour would take 316 feet to stop (nearly the length of a football field). 89 m/s) has the SAME MOMENTUM as a 4,000-pound (1,800 kg) sport utility vehicle traveling 40 mph (18 m/s). Engine RPM, or revolutions per minute, is defined as. What is the momentum of a 2000-pound car traveling at 30 miles per hour? Give the answer in metric units (change pounds to kilograms; miles per hour to meters per second). While traveling north on an expressway, a car traveling 60 mph (miles per hour) slows down to 30 mph in 12 minutes due to traffic conditions. calculate the kinetic energy of a car that weighs 3,000 lb and is traveling with a velocity of 45mph. In a 30 mph crash, a 100 pound adult becomes a 3,000 pound force against the child. Step 1: Enter shaft horsepower value P = 3000 hp. 429. KE. Moving with the speed 60 mph, the train spends hours another way (but the same distance). 41 m/s * 907. 4 = 193. Knowing the cars weight and the deceleration rate you can calculate the total force acting on the car. Therefore there are 224. How much force does a 3000 pound car traveling 70 mph have? According to Newton's second law of motion, a 3,000-pound vehicle traveling at 70 miles per hour has approximately 15. 25 kWh to. = crash force. Its engine is running at 3000 rpm and is producing 250 ft-lb of torque. 4), one lb is equal to 4. If a car is traveling at 70 mph, how fast is the car traveling in feet per second? How long does it take to drive one mile going 325mph? If you are driving at a constant speed of 65 miles per hour, how long will it take you to travel 260 miles? The speed of car A after t minutes is 8 times t m/s. 8 million pounds of. A 3,000 pound car traveling at 70 mph has _____ million pounds of force to release in an impact. If parts are replaced when you have work done on your vehicle, _____. Math Statistics and Probability The statement "a 3,000 pound car traveling at 70 mph has 15. 100% (37 ratings) for this solution. Dividing these numbers will. 1 second behind its siblings. If you double your speed, you will need four times the distance to stop. How long does the trip take to the driver of the car? A truck traveling at 60. Fill in the field Vehicle speed with your vehicle speed (60 mph); and. This rich Internet app uses the quarter-mile distance or 400-meter track. Show mathematically why an 80,000-pound (36,000 kg) big rig traveling 2 mph (0. This will take 120/30 = 4 hours. Taking into account the driver's weight (let's use Lewis Hamilton, who weighs 150 lb), that makes a total weight of 1788 lb. If conditions are so bad that you cannot see the road ahead, _____. There is a common conception that. Therefore there are 224. The Tremor's 171-foot stop from 70 mph was a foot shorter than the Maverick FX4's. These include the car’s weight, the efficiency of its battery, and the terrain it is driving on. This puts the power-to-weight ratio at about 0. Say, a car going 60 MPH. 5 feet to the rear of the front axle. Calculate HP For A Given. Armor Penetration Calculator. 8 million pounds of force. Speed of the car, v = 40 mph. Since 1 lb = 4. A 3000 lb car is traveling over a rough road as shown. e. 26. Example #2. Similarly, in the time it takes the slower car to stop, the faster car won’t have even slowed to 70. Get an answer. B) if this same car goes up a 6% grade at 60 mph, and the drag is the same, find the power of the engine required. What we call a "high-performance" car is just a vehicle with a lot of horsepower and a low weight; the power-to-weight ratio is the essential determination for a high-performance car. 60 to the right. How do you determine how hard something hits the ground? Multiply the height by the object’s acceleration due to gravity. The number of RPMs your car should be at depends on its speed. (how many horsepower the engine produces) by the boat's displacement (in pounds). 8 million pounds. How to calculate the impact force acting on a driver with a mass of 70 k g 70 mathrm{kg} 70 kg? Let's use our car crash calculator! Let's use our car crash calculator! If the initial car speed is 30 k m / h 30 mathrm{km/h} 30 km/h and the collision distance is. Here's a real-world example; a loaded semi traveling at 60 mph develops about 6. Total perception-reaction time of the driver is 2 sec then begins slowing the vehicle. 0 imes 10^3 kg truck whose speed is 20. 1/12 inch. c. On average, the stopping distances of a truck that is traveling on dry ground at 65 MPH is anywhere between 335 to 400 feet. 0 ft/s^2 and catches the truck in 0. 5 in. F = 312 N. Nine feet in front of you is a 75,000 lbf semi that is going 65 mph. How fast was the car traveling when the tr; A car's speed is 245. If a 3,000-pound car traveling at 70 mph then it has 15. 1 m/s), DV is the change in speed (10 mph is 4. Impact pressure would be 74,250 pounds/square foot. 1. Example 4: A 3,000-lb car is traveling at 10 mi/h on a roadway with level grade covered with hard-packed snow. A 3,000 pound car traveling at 70 mph has 15. 65 seconds is making about 300 horsepower. To explore the difference between crashing a car at 70 mph and 85 mph, I will use a model. Here is a. Physics, Mass, Velocity, and Energy Calculator, Ballistics Calculator, grains, grams, ounces, pounds, kilograms, ergs, joules, foot pounds, watts, watt hours, kilotons, megatons. Miles. (Hint: the rocket is. m. An 2000 lb car is traveling at an elevation of 5000ft (p = 0. In our 70 mph highway range test, we were. 100% (4 ratings) Transcribed image text: 2. (20 pts. Subtract this from 8 hours to get 8 - 1:30 = 6 hr 30 min. It is. Add an answer. Still. 7. A 3000 pound car traveling 70 mph . 44, weighing 3000 lb tows a single axle two-wheel trailer weighing 1500 lb at 60 mph. How far does the car travel in slowing to a stop? How many seconds does it take for the car to stop First we convert the values in ft per second and ft per second2. The FBD is already given. 98 miles/min: Metric. Find the angle of the grade to the. Search for an answer or ask Weegy. Powered by one Rolls-Royce Avon jet, the car broke the. Question: A 3000-lbm car is traveling at 60 mi/hr on the straight portion of the road (i. This chart is a good cheat sheet for time, speed, distance calculations for how fast a vehicle is going per second. 5 sec = 594,000 ft. Which would be more damaging to your car: A. 0 feet per second. There are 2. 5 seconds. 4667 feet per second. At 60 mph, on dry pavement, the vehicle-braking distance for a 3,000-pound vehicle to come to a stop is. Any vehicle with 3 or more axles or weighing more than 4,000 pounds. To calculate the kinetic energy, first convert km/h to meters per second: 40km/h = 11. 0. 0 10 30 50 70 85 95 100 105 110 113 116 118 Distance fallen (feet) 0 16 62 138 242 366 504 652 808 971 1,138 1,309 1,483 * This is an approximation. About Quizlet; How Quizlet works; Careers; Advertise. 3. If you know your vehicle's weight and horsepower, this calculator can determine how you car will perform in a quarter mile "stretch". 55 mph: 0. 2 mph/HP) ATVs: 6-50 HP = 25-75 HP (1. 3 million pounds of force. Answers. 1%. 0 seconds it is at 10,000 ft, traveling at 3600 mph. 2,096 ft-lb c. asked in Jobs & Employment by voice (257k points) jobs-n-employment; education; guide; car; ahead-travelling; force-release; impact; 1 answer. Assuming the direction is up, calculate the acceleration. 6 * 60 = 2 ds/dt. 22,563. 0 m long rope. 8 m/s^2 for SI units. While traveling north on an expressway, a car traveling 60 mph (miles per hour) slows down to 30 mph in 12 minutes due to traffic conditions. To cruise at 70 mpg (in second) I would need a little over 3500 rpm, which might get a little noisy. This distance is influenced by several factors, including the car's braking system, road conditions, and the driver's reaction time. 5. Assuming that the log does not significantly damage the truck, and sticks to the truck, the truck slows down by 2 mph on collision. The calculator below estimates the stopping distance for a well maintained car with an alert driver on a dry road. , Which has greater kinetic energy, a car traveling at 30 km/h or a half-as-massive car traveling at 60 km/h? The 60 km/h car Both have the same kinetic energy. Solution for A 700,000 g roller coaster car traveling at 70. What is the fastest acceleration a human can survive? A typical person can handle about 5 g 0 (49 m/s 2) (meaning some people might pass out. The Impact. 4), 1 mph is equal to 0. 0006 lbf, estimate how many dragonflies must have hit the truck if it slows down by 2 mph on impact. 0 mph (88 ft/s) passes a car pulling out of a gas station. Car #1 with a 3000-pound weight is moving at 70 mph; car #2, a mini that weighs only 1000 pounds is moving at a pathetic and illegal 30 miles per hour. A 3,000 pound car. 1. TRUE a 3,000 pound car traveling at 70 mph has ___ million pounds of force to release in an impact. A human can run, in this case, 40 yards in 4 seconds. 1 pound-force is the gravitational force exerted by the Earth on a mass of 1 pound. (Hint: the rocket is. Assuming your spotlight and support is 1 square foot in exposed frontal area, that's only about 40 pounds of force. 1 Hour The car and truck are moving with uniform velocities. 5 hours. mg is the weight of the car. A 3,000 Pound Car Traveling At 70 Mph Has 15. Additionally, the braking distance of a fully-loaded semi-truck increases at the rate of four times as it picks up speed. A 3,000 pound car traveling at 70 mph has about 15. 2:10 minus 10 minutes leaves 2 hours of travel time. After 65 seconds , the cars will both be traveling at 20 mph B. Obviously actual stopping distances will vary considerably depending on condition of the road and car as well as the alertness of the driver. We all know that a car going 60 MPH is traveling at one mile per minute. Do two tables: one at 60 mph and one at 70 mph. The angle of refraction of a ray of light traveling into an ice cube from air is 46∘. F =. more. Example 2: A cyclist travels to and from work, covering 10 km each way. If the car and truck traveled a total of 330 miles, for how many hours did the car and truck travel altogether?Speed limits in some places are still going up.