Question

If speed of an object is tripled then its KE is a) 1/9 b)1/3 c) 3 d)9

Answer 1

Answer:

9

Explanation:

hope this will help....

Answer 2

Answer:

please follow and mark as brain list.

Explanation:

KE=

2

1

mv

2

If V becomes V

′

=3V

KE

′

=

2

1

m(3V)

2

=

2

9

mV

2

=9KE