Physics, asked by shazaib0919, 3 months ago

A machines 12% efficient if useful work done by the machines 6 joules then calculate the total energy consumed by the machime

Answers

Answered by ashmita0078
7

Answer:

given efficiency of the machine is 75% and it is spending 12 J of energy to lift that mass

according to the law of conservation of energy the stored potential energy in the mass will be converted to its kinetic energy. hence,

(12×75)/100=(m×v  

2

)/2

V=  

18

​  

 m/s

i know its not same ques which u asked  but its same type ques jst value change kr dena

Answered by mahnoorkhanasdf12
5

Answer:

...

Explanation:

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