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Physics, 21.06.2019 22:30
A1200 kg car traveling north at 10 m/s is rear-ended by a 2000 kg truck traveling at 30 m/s. what is the total momentum before and after the collision?
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There are weak or strong attractive forces between atoms of liquids with a high viscosity
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Physics, 22.06.2019 04:00
Determine the maximum r-value of the polar equation r =3+3 cos 0
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Physics, 22.06.2019 08:40
Apulley system is used to lift a 2,000 newton engine up a distance of 3 meters. the operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. to lift the engine 3 meters, the operator must pull a total of 30 meters of chain through the pulley system. what is the value of di?
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A 4500-kg spaceship is in a circular orbit 160 km above the surface of Earth. It needs to be moved i...
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