Question

4. If velocity of a moving body becomes one fifth (m
remaining constant), the kinetic energy of the body is :
a. increases four times.
b. decreases five times.
c. increases twenty-five times.
d. decreases twenty-five times.


5. if Both the mass and velocity of a body are doubled, the kinetic energy increases :

a. four times.
b. six times.
c eight umes.
d. ten times.



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Answer 1

Explanation:

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Answer 2

Answer:

4. d) decrease twenty-five times

5. b) six times