A Boy who can generate 500 W runs up a flight of stairs in 5.0 s. How high are the stairs if the boy has a mass of 50 kg?
answer = 5.1m
How do I get this answer?
please show step by step
Much appreciated and thank you in advance
(Will award best answer)
answer = 5.1m
How do I get this answer?
please show step by step
Much appreciated and thank you in advance
(Will award best answer)
-
Power = 500 Watts
Mass of boy = 50 kg
Time taken by boy = 5.0 sec
Work done due to climbing = mgh = 50 x 9.8 x h [taking height to be h]
Power = Work / Time
=> 500 = (50 x 9.8 x h) / 5
Solving for h,
=> h = 5.1 meter
===================================
Mass of boy = 50 kg
Time taken by boy = 5.0 sec
Work done due to climbing = mgh = 50 x 9.8 x h [taking height to be h]
Power = Work / Time
=> 500 = (50 x 9.8 x h) / 5
Solving for h,
=> h = 5.1 meter
===================================