Published by:
CGP EDU Academic Team
Published on: September 13, 2026
A car accelerates from rest of u m s -1 . The energy spent in this process is E J. The energy required to accelerate the car from u m s -1 to 2u m s -1 is nE J. The value of n is_____.
Text Solution
Verified by ExpertsThe correct answer is:
3
(3)
The kinetic energy of a moving particle is given by
…
When the final velocity of the particle becomes twice the initial velocity, the kinetic energy of the particle can be written as
...
Divide equation by equation and solve to calculate the value of n.
n = 3
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 experiences a variable force in a horizontal x-y plane. Assume distance in meters and f…
Arrange the four graphs in descending order of total work done; where W1 , W 2 , W 3 and W 4 are th…
A particle of mass 500 gm is moving in a straight line with velocity u = bx 5/2 . The work done by …
A block of mass 2 kg moving on a horizontal surface with speed of 4 ms -1 enters a rough surface ra…
A body of mass 0.5 kg travels on straight line path with velocity v = (3x 2 +4) m/s. The net work d…
A bullet of mass 200 g having initial kinetic energy 90 J is shot inside a long swimming pool as sh…