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How much force would you need to accelerate a 4 kg object from a standstill to 5 m/s2?
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Agas is contained in a vertical, frictionless piston–cylinder device. the piston has a mass of 3.2 kg and a cross-sectional area of 35 cm2. a compressed spring above the piston exerts a force of 190 n on the piston. if the atmospheric pressure is 95 kpa, determine the pressure inside the cylinder.
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Heena wants to measure the volume of a ball that is 24 cm across. how should she set up her equation?
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Light traveling in water, nwater = 1.33, strikes a plastic block at an angle of incidence of 51.4°; part of the beam is reflected and part is refracted. if the index of refraction of the plastic is 2.0, what is the angle made by the reflected and refracted beams?
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How much force would you need to accelerate a 4 kg object from a standstill to 5 m/s2?...
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