Question

A boy whose mass is 51 kg climbs, with constant speed, a virtual rope 6 m long rn 10 second. How much work does the boy perform ?

Answer 1

Hope it helps.............

Answer 2

Formula for Power

$P=\frac{W}{t}$

W is the work done and t is the time

$P=\frac{F\times s}{t}$

F is the force acting

$P= F\times v$

v is the velocity

$P=\frac{51\times 9.8 \times 6}{10}$

   $=299.88$

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