Answers

2016-03-19T23:20:13+05:30
Power = work/time
work=force x displacement
force = mass x acceleration
acceleration=velocity/time

Therefore
Power=(velocity)*(mass)*(displacement) ÷ (time)*(time)

In the question
power,P=100W
velocity,v=1m/s
since time,t=1s
displacement, s=1m
acceleration,a=10m/s (acceleration to overcome gravity)
we have to find mass m
P=m×a×s÷t
100=m×10
m=10
0
2016-03-20T12:08:37+05:30
Answer:

Power = work/time
work=force x displacement
force = mass x acceleration
acceleration=velocity/time

Therefore
Power=(velocity)x(mass)x(displacement) ÷ (time)x(time)

given,
power,P=100W
velocity,v=1m/s
since time,t=1s
displacement, s=1m
acceleration,a=10m/s (acceleration to overcome gravity)
we have to find mass m
P=m×a×s÷t
100=m×10
m=10
0