A car accelerates from rest at a constant rate 
for some time, after which it decelerates at a constant rate 
and comes to rest. If the total time elapsed is t, then the maximum velocity acquired by the car is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
Let the car accelerate at rate 
for time 
then maximum velocity attained, 
Now, the car decelerates at a rate 
for time 
and finally comes to rest. Then,
⇒ ⇒ 
⇒ ⇒ 
\ \ 
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
A particle moving in a straight line covers half the distance with speed of 3 m/s . The other half …
A particle starts from rest. Its acceleration ( a ) versus time ( t ) is as shown in the figure. Th…
A car accelerates from rest at a constant rate for some time, after which it decelerates at a cons…
A stone dropped from a building of height and it reaches after seconds on earth. From the same bu…
A ball is projected upwards from a height above the surface of the earth with velocity . The time…
A particle is dropped vertically from rest from a height. The time taken by it to fall through succ…