8.

Which sentence best describes how fast charge muves through an electric circuit?

a. Charge moves very fast, faster than any human can run.

b. Charge moves very slowly, slower than the proverbial snail.

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Xavier throws a tennis ball to his friend Olaf at a 20° angle relative to the ground with an initial velocity of 18 m/s. The tennis ball travels 30 m until Olaf catches it.

A 6kg rock is thrown vertically upward from the top of a cliff that is 28m high. It was thrown with a speed of 11ms. Calculate the greatest height of the rock as measured from the base of the cliff.

What is the speed of a wave with a wavelength of 10 mm and a frequency of 5.0 Hz? A. 2 mm/s B. 0.5 mm/s C. 15 mm/s D. 50 mm/s

Is it possible for an object that has a constant negative acceleration to change the direction in which it is moving.

Match the following vocabulary words with their definitions: Question 1 options: rate of change in velocity, which is the change in velocity divided by the change in time the rate at which an object changes position when traveling in a certain

A tow truck pulls a 500 kg car so that the car accelerates 2 m/s2. What is the net force on the car? 250 N 498 N 1000 N 502 N

Which force keeps you near earths surface?

Name one process that requires a force in the human body.

Which describes the electric forces inside an atom

Why can radio telescopes be used 24 hours a day?