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Your sofa won't fit through the door of your new sixth-floor apartment, so you use a 1.08kW motor to lift the 84.4kg sofa 15.6m from the street.
Part A How much time does the lift take? Express your answer with the appropriate units.
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A ball is thrown straight up with an initial speed of 30 m/s. How long will it take to reach the top of its trajectory, and high will the ball go? A car slows to a stop with an average acceleration of - 2.5 m/s2. How lon ...
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A soccer player kicks the ball that travels a distance of 45.0 m on a level field. The ball leaves his foot at an initial speed of (v0) and an angle of 25.0° above the ground. Find the initial speed (v0) of the ball.
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