Question

GIVING 300 PTS URGENT AFTER ITS DONE If all the objects have around the same mass, which of the following objects has the most gravitational potential energy?
Question 4 options:

a chair set on the ground


a book on a high shelf on the first floor of a house


a ball stuck on the roof of a two-story house


a cat investigating a basement

Question 5 (1 point)
Which of the following electromagnets would have the greatest magnetic field?



Question 5 options:

A


B


C


D

Question 6 (1 point)
What is the role of a turbine in an electric generator?

Question 6 options:

It stores energy for later use.


It releases chemical energy.


It transfers electrical energy.


It provides mechanical energy.

Question 7 (1 point)
Which energy transformation takes place in a generator?

Question 7 options:

mechanical to electrical


chemical to radiant


electrical to mechanical


radiant to electrical

Question 8 (1 point)
The rumble feature on a video game controller is driven by a device that turns electrical energy into mechanical energy. This device is best referred to as _________?

Question 8 options:

an electric generator


an electromagnet


a solenoid


a motor

Answer 1

Answer:

5.a ball stuck on a roof

6.A

7.mechanical_electrical

8.A solenoid