Question

water from a stream Is Falling On The Blades of a turbine at the rate of 100 kg per second if the height of the stream is 100m then power delivered to the turbine used

Answer 1

Work done = Force × Distance.

From the question :

Force = 100 × 10 = 1000N

Distance = 100m

Work done = 100 × 1000 = 100000Joules

Power = Work done /Time

The time = 1 second.

Power = 100000/1 = 100000 Watts

= 100kW

Answer 2

Hey dear,

◆ Answer-
P = 100 kW

◆ Explaination-
# Given-
m/t = 100 kg/s
h = 100 m

# Solution-
Work done here is provided by P.E. of water -
W = P.E. = mgh

Power of the turbine is calculated by -
P = W / t
P = mgh / t
P = g × h × m/t
P = 10 × 100 × 100
P = 10^5 W
P = 100 kW

Power delivered to turbine used is 100 kW.

Hope this helps you...