Register
A electric engine transfers 300j into kinetic energy, 280j into heat energy, and 160j into sound energy. What is the efficiency of the motor? need help asap
123k views
4 votes
A electric engine transfers 300j into kinetic energy, 280j into heat energy, and 160j into sound energy. What is the efficiency of the motor? need help asap

User Shreyas Patil
by
4.2k points

1 Answer

1 vote

Answer:

42%

Step-by-step explanation:

Your dividing all the numbers and times themm by 100

User H K
by
4.3k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

4.9m questions

6.4m answers

Other Questions

You’re on a team performing a high-magnetic-field experiment. A conducting bar carrying 4.1 kA will pass through a 1.3-m-long region containing a 12-T magnetic field, making a 60° angle with the field.
A hoop of mass and radius and a solid cylinder of mass and radius are rolling along level ground with the same translational speed. Which object has the greater total kinetic energy?
Where does these choices go? 1. Can be transformed into the other form 2. A ball is thrown up into the air and rises until it begins to fall. 3. Ball on the edge of a cliff. 4. Increases with mass 5. Gravitational,
Energy conversion is the change of energy from ____ to another.
How long does it take to cover 5 metre when going at the speed of 1 km/h
Link Copied!