Aburglar attempts to drag a 110 kg metal safe across a polished wood floor assume that the coefficient of static friction is 0.4, the coefficient of kinetic friction is 0.3, and that the burglar can apply a pushing force of 524 n on the metal safe. what is the acceleration of the metal safe across floor?
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Physics, 22.06.2019 16:40
The astronauts on the space shuttle flights experienced an acceleration of 29 m/s2 (about 3 "g's") during lift-off. what upward force must the astronaut's seat apply to the astronaut in order to cause this acceleration? assume the astronaut's mass is 70 kg, and compute this force when the acceleration is near the earth's surface so their weight equals latex: mg m g .
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Physics, 22.06.2019 18:00
By what factor does the drag force on a car increase as it goes from 65 to 110 km/h?
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Physics, 23.06.2019 00:20
What efficiency of a car's engine when heat input is 200,000 joules and waste heat is 150,000 joules? a. 75% b. 35% c. 25% d. 85%
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Aburglar attempts to drag a 110 kg metal safe across a polished wood floor assume that the coefficie...
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