Physics, 29.08.2019 16:20 QueenNerdy889
Ahorizontal force of 750 n is needed to overcome the force of static friction between a level floor and a 250-kg crate. if g-9.8 m/s, what is the coefficient of static friction? a. 3.0 b. 0.15 c. 0.28 d. 0.31
Answers: 2
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On a day when the barometer reads 75.23 cm, a reaction vessel holds 250 ml of ideal gas at 20 celsius. an oil manometer ( ρ= 810 kg/m^3) reads the pressure in the vessel to be 41 cm of oil and below atmospheric pressure. what volume will the gas occupy under s.t.p.?
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Amira pulls a 3 pound wagon 4 feet. how much work has she done?
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During a car accident, a 125kg driver is moving at 31m/s and in 1.5s is brought to rest by an inflating air bag. what is the magnitude of the change in momentum to the driver
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