A car is accelerated on a levelled road and attains a speed of 4 times its initial speed. In this process, the kinetic energy of the car (a) does not change
(b) becomes 4 times that of initial kinetic energy
(c) becomes 8 times that of initial kinetic energy
(d) becomes 16 times that of initial kinetic energy
Answers
Answered by
44
Answer:
(d)becomes 16 times that of initial kinetic energy.
Explanation:
kinetic energy of a body is directly proportional to the square of the velocity.so, the kinetic energy will become 16 times its initial value if the velocity is increased 4 times.
Answered by
30
The kinetic energy becomes 16 time that of initial kinetic energy
(d) is correct option
Explanation:
Given that,
Final speed = 4 times of initial speed
The kinetic energy of car
Where, m = mass of car
v = initial velocity of car
As per question,
If velocity of car is 4 times of initial velocity, then kinetic energy
Hence, The kinetic energy becomes 16 time that of initial kinetic energy
Learn more :
Topic : kinetic energy
https://brainly.in/question/6138773
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