Physics, 05.02.2021 03:30 owlette2001
Timmy the angry teen twirls a dead rat (mass = 2 kg) attached to a rusty chain (length=1m) in a vertical circle. With what velocity should Timmy rotate the rodent so that the chain just goes slack (no force in the chain) at the top?
Answers: 2
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Within a pendulum, as potential energy decreases, energy increases. a. heat b. kinetic c. frictional d. gravitational
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Tafari worked one summer on a ship that set weather buoys in the ocean. he watched how one of the buoys moved in the water. describe which parts of the wave would cause the buoy to bob up and down. which wave property determined how fast the buoys bobbed in the water? he observed that when the wind blew harder, the ocean waves were larger, and the buoys moved away from the ship. what effect, if any, did the waves have on how far the buoys moved? explain your answer.
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Physics, 22.06.2019 08:00
Based on the concept of the wave-like nature of light, huygens' theory of light postulates that the more light was "bent" by a substance the slower it would move while traversing across that substance. a) deflection b) interference c) refraction d) resonance
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Physics, 22.06.2019 10:00
Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same distance. the work done on object 1 is 900 j. after the force has pulled each object, object 1 moves twice as fast as object 2. how much work is done on object 2?
Answers: 1
Timmy the angry teen twirls a dead rat (mass = 2 kg) attached to a rusty chain (length=1m) in a vert...
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