Register
A machine has an efficiency of 80% how much work must be done on the machine so to make it do 50000 J of outfit work
147k views
0 votes
A machine has an efficiency of 80% how much work must be done on the machine so to make it do 50000 J of outfit work

User Radiaph
by
6.0k points

2 Answers

2 votes

Answer:

C

Step-by-step explanation:

:)

User Fanhk
by
5.6k points
1 vote
With efficiency of 80%, the machine outputs 50000 J. The input to the machine should represent 100%.

If
80% --- 50000 J
100% --- ?? J

Solution:
Input work = (100/80)*500000 J = 62500 J
User Baub
by
5.9k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

6.4m questions

8.4m answers

Other Questions

A ball is dropped from rest at height of 50m above the ground (a) What is its speed just before it hits the ground (b) How long does it take to rech the ground.
The___ is composed of Earth's crust and solid upper mantle A. Inner core B outer core C lithosphere D asthenosphere
What is one similarity and one difference between infrasound and ultrasound?
What healing action is taking place when a wound becomes inflamed??
Taro stated that when someone hits a golf ball with a club, the amount of energy the ball has changes, the amount of energy that the club has changes, and the total energy of the system that includes the
Link Copied!