When a ball drops from the roof of a building, it speeds up as it falls. what energy transformation is happening?
a. gravitational potential energy to kinetic energy
b. kinetic energy to gravitational potential energy
c. light energy to sound energy
d. gravitational potential energy to nuclear energy
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Ahydroelectric plant takes energy from water and turns it into electrical energy. what are the transformations of energy in the water molecules that are used in the process of generating electricity this way?
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According to newtons universal law of gravitation, which would change the parh of the ball so it traces out widest curved path possible?
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Rank the automobiles based on the magnitude of the force needed to stop them, from largest to smallest.2000 kg car going 5m/s500 kg car going 20 m/s1000 kg car going20m/s500 kg car going10m/s1000 kg car going10/s4000 kg car going 5m/s 0 0 603
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The man of mass m1 and the woman of mass m2 are standing on opposite ends of the platform of mass m0 which moves with negligible friction and is initially at rest with s = 0. the man and woman begin to approach each other. derive an expression for the displacement s of the platform when the two meet in terms of the displacement x1 of the man relative to the platform.
Answers: 1
When a ball drops from the roof of a building, it speeds up as it falls. what energy transformation...
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