Question

2. A rickshaw puller pulls the rickshaw by applying a force of 100 N. If the rickshaw moves with
constant velocity of 36 km h !, find the power of the rickshaw puller
Ans. 100 W
3. An athlete weighing 60 kg runs up a staircase having 10 steps each of I min 30 s. Calculate his​

Answer 1

Answer:

Explanation:

m=60kg

distance= number of steps* distance covered in one step

=10*0.5=5m

t=30 s

g=10m/s^2

work done= change in potential energy

=mass*g*height

power= work/time

power= mgh/time

(60*10*5)/ 30 sec

power=100 joules/second

hope this helps...

brainliest answer pls