Question

a machine raises a load 750n through a height of 16m in 5 sec Calculate the power in which the machine works

Answer 1

power*time=energy
 
therefore power= energy/time

potential energy=mgh
=750*16*10
=120000J

time= 5sec 

therfore power = 120000J/5sec = 24000 J/sec or 24000w

There fore the power is equal to 24KWH or 24000W or 24000J/Sec

Answer 2

Answer:

Explanation:power*time=energy

 

therefore power= energy/time

potential energy=mgh

=750*16*10

=120000J

time= 5sec 

therfore power = 120000J/5sec = 24000 J/sec or 24000w

There fore the power is equal to 24KWH or 24000W or 24000J/Sec

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