Question

A 50 kg skater pushed by a friend accelerates 5 m/sec. how much force did the friend apply?

Answer 1

Answer:

250 joules

Step-by-step explanation:

$Mass = 50kg\\Acceleration = 5m/sec\\Force = ?\\\\Force = Mass\times acceleration\\\\Force = 50\times 5\\\\ Force = 250\: joules \: or \:250kgm/s$