Question

A 16kg dog is running 4m/s. Find its kinetic energy.

4J

64 J

128 J

256 J​

Answer 1

128J

Step-by-step explanation:

K.E = MV² ÷ 2

K.E = 16 × 4² ÷ 2

K.E = 16 × 16 ÷ 2

K.E = 256 ÷ 2

K.E = 128J

:. it's kinetic energy is 128Joules(J)