What about a moving object rarely stays the same?

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If there are 20 Earthworms in a garden that covers 5 square meters, what is the population density of the earthworms? A. 20 Earthworms B. 4 C. 100 Earthworms per square meter D. 4 Earthworms per square meter

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A ball is released from the top of a hill. How fast is the ball going when it reaches the base of the hill? Approximate g as 10 m/s2 and round the answer to the nearest tenth.

Comic strip hero superman meets an asteroid in outer space and hurls it at 100m/s. he has a mass of "m". The astroid has a mass of 1000m. Determine superman's velocity after throwing the astroid.

A child pulls a wagon 3.0 m using a force of 55 N at an angle 35° above horizontal. The force of friction on the wagon is 12 N. Calculate the net work done on the wagon

Which of these accurately describes a chemical reaction A. products and reactants combine to form new reactants. B. Reactants combine to form products C. Products and reactants combine to form new substances D. Products combine to form reactants

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Water, with a density of rho = 1125 kg/m 3 rho=1125 kg/m3, flows in a horizontal pipe. In one segment of the pipe, the flow speed is v 1 = 6.53 m/s v1=6.53 m/s. In a second segment, the flow speed is v 2 = 1.17 m/s v2=1.17 m/s.

If you are standing on a weighing scale in an elevator what happens to your weight if the elevator accelerates up or accelerates down? Are you going to weigh less, weigh more or the same?