A Car Traveling At A Speed Of 24 M/S Comes To A Stop At A Red Light. How Much Time Will It Take For The Car To Stop If Its Acceleration Is \Xe28.0 M/S

A car traveling at a speed of 24 m/s comes to a stop at a red light. How much time will it take for the car to stop if its acceleration is รข8.0 m/s2?

 

Good Day...

Problem:

A car traveling at a speed of 24 m/s comes to a stop at a red light. How much time will it take for the car to stop if its acceleration is 8.0 m/s2?

Given:

Vi (initial velocity) = 24 m/s

Vf (final velocity) = 0 m/s (stop)

a (acceleration) = - 8.0 m/s^2 (decelerating)

t (time)             = ? unknown

Solution:

We can solve this problem using the formula a = (Vf-Vi) /t

to solve for t,  we can use t = (Vf-Vi) / a

t = (Vf-Vi) / a

 = (0 m/s - 24 m/s) / -8.0 m/s^2

  = - 24 m/s / - 8.0 m/s^2

  =  3 seconds

Answer:

The time it take for the car to stop is 3 seconds

Hope it helps...=)


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