A50 Newtons force is the only force and and and 2kg object that starts from rest then the force has been acting for 2 seconds The Power is
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By F = ma
=>50 = 2 x a
=>a = 25 m/s^2
=>By s = ut + 1/2at^2
=>s = 0 + 1/2 x 25 x (2)^2
=>s = 50 m
W = F x s
=>W = 50 x 50
=>W = 2500 J
Power = W/t = 2500/2 = 1250 Watt
=>50 = 2 x a
=>a = 25 m/s^2
=>By s = ut + 1/2at^2
=>s = 0 + 1/2 x 25 x (2)^2
=>s = 50 m
W = F x s
=>W = 50 x 50
=>W = 2500 J
Power = W/t = 2500/2 = 1250 Watt
deeena:
but answer is1250 W
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