A device that creates a potential difference in an electric circuit is a (n)

a. insulator

b. voltage source

c. conductor

d. circuit

Which of these is the best hypothesis for why your tires air pressure is low

A table tennis ball with a mass of 0.003 kg and a soccer ball with a mass of 0.43 kg or both Serta name motion at 16 M/S calculate and compare the moments of both balls

You walk 45 m to the north, then turn 90° to your right and walk another 45 m. How far are you from where you originally started? A. 64 m B. 41 m C. 85 m D. 45 m

What is electricity? Question 2 options: the flow of negative electric charge the flow of positive electric charge the orbit of electrons around a nucleus the flow of electric charge

Why do opposite charges attract and like charges repel?

How much force is needed to accelerate an object of mass 90 kg at a rate of 1.2 m/s2? 0.013 N 75 N 108 N 1080 N

No work is done on an object when a force acting on the object does not move it. True False

wavelength of a light whose second-order dark band forms a diffraction angle of 15.0° when it passes through a diffraction grating that has 250.0 lines per mm

If a fully loaded shopping cart has a head-on collision with an empty cart both moving at the same speed toward each other, which cart experiences the greater force? The greater impulse? The greater change in momentum? The greater acceleration?

Why didn't early Portuguese and Dutch explorers decide to create settlements in Australia