Physics

Madison

17 May, 04:57

7. A stereo is able to convert 20% of its electrical energy into sound. If 1000 J of sound energy is produced, calculate the electrical energy used [Show all work].

8. A vehicle is only 18% efficient. How was the other 82% of the energy lost?

+1

Answers (1)

Know the Answer?

Not Sure About the Answer?

Find an answer to your question ✅ “7. A stereo is able to convert 20% of its electrical energy into sound. If 1000 J of sound energy is produced, calculate the electrical ...” in 📘 Physics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.

Search for Other Answers

You Might be Interested in

What is one similarity of chemical and physical properties?

L. What does it mean to "convert" from one unit to another? Give an example. 2. What are the general mathematical operations you use when converting from one SI unit to another? 3. How many meters do you cover in a 10 km (10-K) race? 4.

The task of fluid power system component groups can be classified under one of five functions. List these five functions?

In which condition gravitation force is equal to value of gravitation constant?

How does a planets density affect its rotation

New Questions in Physics

A soccer ball player bounces the ball off her head, changing the velocity of the ball. She changes the x-component of the velocity of the ball from vix = 7.9 m/s to vfx = 5.9 m/s and the y-component from viy = - 3.4 m/s to vfy = 4.5 m/s.

Do you think an observer on another planet in the solar system might see eclipses

A. A vector is any element of a vector space. Is this statement true or false? A. True by the definition of a vector space B. False; not all vectors are elements of a vector space. C. False; a vector space is any element of a vector.

19 Which gas is the most abundant greenhouse gas? A. ozone B. chlorofluorocarbon C. carbon dioxide OD. methane E. water vapor Reset Next

The plates of a parallel-plate capacitor are maintained with a constant voltage by a battery as they are pushed together, without touching. How is the amount of charge on the plates affected during this process? a.