Physics, asked by vaishali1784, 7 months ago

An escalator is moving downwards with a uniform speed 'u'. A man of mass 'm' is running
upwards on it with a uniform speed 'v'. if the height of the escalator is 'h' the work done by the man
in going up the escalator is​

Answers

Answered by mrinalch2006
1

Answer:

A man of mass m is running upwards on it at a uniform speed v. If the height of the escalator is h, the work done by the man in going up the escalator is mghu mghv (A) zero (B) mgh (v-u) ' (v-u)

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