Register
A car with a mass of 1100 moves at 24m/s. what is the breaking force required to bring the car to stop in 10s
79.3k views
0 votes
A car with a mass of 1100 moves at 24m/s. what is the breaking force required to bring the car to stop in 10s

User Samuel Karp
by
6.3k points

1 Answer

1 vote
We know the car starts at 24 m/s and will end at 0 m/s in 10 s. Use a kinematic equation to find the acceleration.

V = Vi + at

0 = 24 + a(10)

-24/10 = a

a = -2.4 m/s^2

Now calculate the required force.

F = ma

F = 1100*(-2.4)= 2640 N




User Siddu Hadapad
by
6.6k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

6.5m questions

8.7m answers

Other Questions

A ball is dropped from rest at height of 50m above the ground (a) What is its speed just before it hits the ground (b) How long does it take to rech the ground.
What is the acceleration of an object with mass of 42.6 kg when an unbalanced force of 112 N is applied to it?
The___ is composed of Earth's crust and solid upper mantle A. Inner core B outer core C lithosphere D asthenosphere
What is one similarity and one difference between infrasound and ultrasound?
What healing action is taking place when a wound becomes inflamed??
Link Copied!