Question

W body of mass 50 kg runs up to Kaif of 45 steps in 9 seconds. If the height of the stumps is 15 cm, find his power if g = 10 per ms​

Answer 1

Answer:

m = 50 kg  

h = 45 x15  = 675 cm  = 6.75 m  

t = 9 s  

g = 10 m    

PE = mgh = 50 x 10 x 6.75  = 3375 J  

Power of the body  = PE / time  = 3375 / 9  = 375 W

 

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Step-by-step explanation:

Answer 2

Answer:

Refer to the attachment