Suppose that a nascar race car is moving to the right with a constant velocity of +86 m/s. what is the average acceleration of the car? (b) twelve seconds later, the car is halfway around the track and traveling in the opposite direction with the same speed. what is the average acceleration of the car?
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Aknife blade is a(n) a. lever b. screw c. wedge d. inclined plane
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Which of the following are properties of mechanical waves? check all that apply ⭕️ particles of the medium move back and fourth, but do not move with the wave. ⭕️ the particles of the medium always move parallel to the wave motion. ⭕️ wave motion begins with a disturbance in the medium. ⭕️ waves transport energy from a source outward, away from the source.
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Using a wheel and axle, a farmer is trying to lift a bucket of water from the bottom of a well. the larger wheel has a radius of 40 cm compared to the axle that has a radius of 10 cm. if a bucket of water is 50 n, then how much effort is required to raise it? 12.5 n 200 n 2 n 500 n
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Suppose that a nascar race car is moving to the right with a constant velocity of +86 m/s. what is t...
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