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Physics, 21.06.2019 16:50
Identify the arrows that show the correct direction of heat transfer. 66°f 112°f 98°f
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Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.
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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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Physics, 22.06.2019 11:30
Considering only the earth's rotation, determine how much later the asteroid would have had to arrive to put the explosion above helsinki at longitude 25˚ e? this would have obliterated the city.
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a 120 kg uniform beam is attached to a vertical wall at one end is supported by a vertical cable at...
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