Question

How fast should Marie walk so
that her kinetic energy is 625 J
If Marie weigh 50kg
O [a] 5 m/s
O [b] -5 m/s
O [c] 0.5 m/s
O [d] 15 m/s.​

Answer 1

Answer:

+5m/s is the answer (option a)

Explanation:

Hope it helps

:-)