Home
Class 12
PHYSICS
A car accelerates from rest at a constan...

A car accelerates from rest at a constant rate a for some time after which it retards at a constant rate to come to rest. If the time elapsed is t, maximum velocity reached is

A

`(a+b)/(a-b)t`

B

`(ab)/(a+b)t`

C

`(a+b)/(ab)t`

D

`(a-b)/(a+b)t`

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

A car accelerates from rest at constant rest a alpha t for same time after which it deaccelerates at constant rate beta to come to rest. If total time taken is t then distance covered is given by :

A car starting from rest, accelerates at a constant rate of 5 ms for some time. It then retards at a constant rate of 10 ms and finally comes to rest. If the total time taken is 6 s, what is the maximum speed attained by the car:

A car, starting from rest, accelerates at the rate f through a distance S, then continues at constant speed for time t and then decelerates at the rate f/2 to come to rest. If the total distance traversed is 5 S, then :

A car travels from rest with a constant acceleration 'a' for 't' seconds. What is the average speed of the car for its journey if the car moves along a straight road?

A motorboat starting from rest on a lake accelerates in a straight line at a constant rate of 3.0 ms^(-2) for 8.0s. How far does the boat travel during this time?