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