How much mass can the larger piston support
A hydraulic lift has pistons with areas 0.70 m^2 and 5.10 m^2 , and they're at the same height. With a 2.2 force on the smaller piston, how much mass can the larger piston support?
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A 90 arrow is fired from a bow whose string exerts an average force of 120 on the arrow over a distance of 79 .What is the speed of the arrow as it leaves the bow?
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The observer and source relative to the ground and have the magnitudes indicated (v or 2v), where the speed v is 2.75 106 m/s. Calculate the observed frequency in each of the three cases.
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At serve, a tennis player aims to hit the ball horizontally. If the player launches the ball from a height of 2.5 m and just clears a 0.90 m-high net about 15 m away as shown in figure below, determine a. The initial speed of the ball? b. The time
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