What is the speed of the arrow as it leaves the bow
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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Bonnie and Clyde are sliding a 300 kg bank safe across the floor to their getaway car. The safe slides with a constant speed if Clyde pushes from behind with 445 N of force while Bonnie pulls forward on a rope with 350 N of force. What is the safe
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The rod is pivoted at one end on a frictionless horizontal pin. The rod is initially held in a horizontal position but eventually allowed to swing down, What is its angular acceleration at the instant it makes and angle 45 degrees with the horizon
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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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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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