Compare the power at which each of the following is moving upwards against the force of gravity?
Compare the power at which each of the following is moving upwards against
the force of gravity? (given g = 10 ms-2)
(i) a butterfly of mass 1.0 g that flies upward at a rate of 0.5 ms�1.
(ii) a 250-g squirrel climbing up on a tree at a rate of 0.5 ms�1.
(i) power = mg � velocity, g = 10ms-2
Hence, the power with which the squirrel is climbing is much higher than that of a butterfly flying.
