As a rock falls without air resistance, which of the following is true? . a. the kinetic energy of the rock transforms into potential energy.. b. all the potential energy becomes kinetic energy at the instant it is dropped.. c. part of the potential energy of the rock becomes kinetic energy during each part of the fall.. d. the potential energy of the rock has been transformed into thermal energy by the time the rock reaches the ground.
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Many machines- including inclined planes such as ramps- increase the strength of the force put into the machine but decrease the distance over which the force is applied. true or false
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What happens to atoms and chemical bonds during a reaction?
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Kate is working on a project in her tech education class. she plans to assemble a fan motor. which form of energy does the motor convert most of its electric energy into? a. light energy b. motion energy c. sound energy d. thermal energy
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The california mussel (mytilus californianus) attaches itself to a rock or other solid surface with a bundle of filaments known as the byssus. imagine that 15.0 j of work is done to stretch the distal end of the byssus. it releases 10.8 j of thermal energy as it relaxes. what is the resilience of the distal end of the byssus?
Answers: 2
As a rock falls without air resistance, which of the following is true? . a. the kinetic energy of...
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