Answer:
Use F = m*a
Explanation:
If you are given the mass of the two different bodies, you could rearrange these equations, plug in the mass of the unknown body to find the unknown force
Answer:it would be C
Answer:0.6kw
Power=force×velocity
Power=20×30=600w
In kw it's going to be 600/1000=0.6kw
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