How many calories does a avacodo have

What is friction?

Which of the following is a measure of velocity? Select one: a. 250 m/s b. 40 m/s2 c. 31 m/s north d. 55 m/s2 west

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In which of these cases do we have enough information to say that the atom is electrically neutral? A. The atom has 15 neutrons and 15 electrons. B. The atom has 7 protons and 7 electrons. C. The atom has 4 neutrons and 4 protons. D.

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Why does a balloon filled with helium rise while a balloon filled with an equal volume of average atmospheric air does not? A. Helium has no mass, but air does. B. Helium increases the balloon's mass more than air. C.

Consider the following controls in an automobile in motion : gas pedal, brake, steering wheel. what are the controls in this list that cause an acceleration of the car?

What material are oil pipelines made from?

3/129 A 175-lb pole vaulter carrying a uniform 16-ft, 10-lb pole approaches the jump with a velocity v and manages to barely clear the bar set at a height of 18 ft. As he clears the bar, his velocity and that of the pole are essentially zero.

A few years ago, Serena Williams dived to hit a tennis ball right after it bounced off the ground. The ball bounced on the ground 10.3 m from the net, and after Serena hit the ball it flew over the 0.