Question

claculate the power of butterdly of mass 1g that flies upward at a rate of 0.5m/s.​

Answer 1

Power = mg × velocity,

g = 10 m s–2

= 1/1000 ×10× 0.5W 1000 = 0.5 W

=0.5/100 W

= 5 x 10-3 W

Answer 2

Answer:

power=mg×velocity, g=10ms −2

= 1/1000×10×0.5 W

= 0.5/100

= 5×10^-3W