HomeworkLib
Question

In order to stop a 1500 kg car that is originally moving at 25 m/s, and...

In order to stop a 1500 kg car that is originally moving at 25 m/s, and if the car stops over a distance of 50 m, what average force must act on the car?

science   physics   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

v^2 - u^2=2as
0-25*25=-2a*50
a=6.25m/s2

F=ma
F=1500*6.25
F=9375N

0 0
Add a comment
Answer #2

Avg accleration = U2/2s = 252/2*50 = 6.25 m/sec^2

So avg force = Ma = 1500*6.25 = 9375 N (ans)

0 0
Add a comment
Answer #3

Mo -A.xtNych.ct V u2 t2aA 62 S 2x SO 6.25 ms Vautat 6.2S aua 1300 2S-o 931S N

0 0
Add a comment
Answer #4

625625 mls- a= 2X50 The average torce Fe (1500X6-25) N = 9375 N

0 0
Add a comment
Know the answer?
Add Answer to:
In order to stop a 1500 kg car that is originally moving at 25 m/s, and...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • A driver traveling at 22 m/s slows down her 1500 kg car in order to not...

    A driver traveling at 22 m/s slows down her 1500 kg car in order to not hit a brick wall. The distance between where she starts to brake and the wall is 75 meters. What is the average stopping force the driver experiences if she stops 5 meters before hitting the wall? (hint:the car takes 70 meters to stop, not 75) If the brake line bursts the driver decides to turn the in a wide arc parallel to the wall...

  • A 1500 kg car is moving at a speed of 25 m/s at the bottom of...

    A 1500 kg car is moving at a speed of 25 m/s at the bottom of a semicircle hill of radius 50 m. What is the apparent weight of the car?

  • Determine the force to bring a 1500 kg car to rest if it was initially moving...

    Determine the force to bring a 1500 kg car to rest if it was initially moving at 50 mph over a distance of 45 m.

  • 1. a. A truck of mass 2000 kg is moving with a velocity of 20 m/s....

    1. a. A truck of mass 2000 kg is moving with a velocity of 20 m/s. If on applying brakes, the truck stops after coming to a distance of 40 m, find the retarding force? b. A car of mass 1000 kg moving with a velocity of 90 km/h collides with a tree and comes to stop in 10 s. What is the change in momentum of the car? What is the force applied by the tree to stop the...

  • A 1000 kg car travels at 25 m/s and then quickly stops in 3.9 s to...

    A 1000 kg car travels at 25 m/s and then quickly stops in 3.9 s to avoid an obstacle. What is the Initial Momentum of the car?   kg m/s Tries 0/2 What is the Initial Kinetic Energy of the car? J Tries 0/2 What is the magnitude of the impulse needed to stop the car?   Kg m/s Tries 0/2 What is the magnitude of the average force in kiloNewtons (kN) that stopped the car? Notice the units! kN Tries 0/2...

  • A car has a mass of 1500 kg. If the driver applies the brakes while on...

    A car has a mass of 1500 kg. If the driver applies the brakes while on a gravel road, the maximum friction force that the tires can provide without skidding is about 7000 N Part A If the car is moving at 25 m/s, what is the shortest distance in which the car can stop safely? Express your answer with the appropriate units. ? Value Units

  • A 1200-kg car is moving at 19 m/s due north. A 1500-kg car is moving at...

    A 1200-kg car is moving at 19 m/s due north. A 1500-kg car is moving at 18 m/s due east. The two cars simultaneously approach an icy intersection where, with no brakes or steering, they collide and stick together. Determine the speed and direction of the combined two-car wreck immediately after the collision. direction    North of East

  • A car has a mass of 1500 kg. If the driver applies the brakes while on...

    A car has a mass of 1500 kg. If the driver applies the brakes while on a gravel road, the maximum friction force that the tires can provide without skidding is about 7000 N. If the car is moving at 22 m/s, what is the shortest distance in which the car can stop safely?

  • A 750 kg car slows to a stop from traveling southbound at 30 m/s over a...

    A 750 kg car slows to a stop from traveling southbound at 30 m/s over a distance of 500 m. What was the acceleration needed to stop the car? How large was the force required to stop the car? Two cables are being used to pull a 100 kg sled on a frictionless surface. The first cable has a tension of 500 N in a direction 15o south of east. The other cable has a tension of 800 N in...

  • A car moving at 25 m/s crashes into a tree and stops in 0.3 s. Calculate...

    A car moving at 25 m/s crashes into a tree and stops in 0.3 s. Calculate the force the seat belt exerts on a passenger in the car to bring him to a halt. The mass of the passenger is 75 kg. (Enter the magnitude.) = ________ N

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT