A device used to open and close an electric circuit is a (n)

a. light bulb.

b. energy source.

c. switch.

d. resistor.

A 200 kg roller coaster car is located at the top of a hill where the height is 30 m. What is the velocity when it reaches the bottom of the hill? 5.5 m/s 11.2 m/s 16.7 m/s 24.2 m/s

What is the mass of a man running at 3.82 m/s if he has a kinetic energy of 879.9 J?

1. Is the sequence geometric? If so, identify the common ratio. 6, 12, 24, 48, ... yes; 2 yes, - 2 yes; 4 no 2. What is the fifth term of the geometric sequence? 5, 15, 45, ... 1,215 1,875 405 3,645

Adam wants to work in the field of forensic science and follow the rules for handling evidence. Which organization can he join to fulfill this aspiration?

A boy Is it running with a kinetic energy of 810 J. If the boy has a mass of 80 kg what is his speed

What is the most advanced life form on earth

Which EM wave is about the size of humans?

Describe how the Catapult works?

Newton's third law of motion states that the force pair acting on different objects consist of two forces that

While working on her science fair project Venus connected a battery to a circuit that contained a light bulb. Venus decided to change the light bulb to a higher resistance, but she wanted to keep the current the same.