Question

find the kinetic energy of a ball mass 400 grams moving at a speed of 20 cm per second​

Answer 1

Correct option is B)

K.E=

2

1

mv

2

=

2

1

×0.2×20×20×10

−4

=0.004J

Answer 2

Answer:

0.004N

Explanation:

in SI system the answer is 0.004 N

Refer to the image for the answer

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