Kinetic energy is the energy of motion. How could a person determine how much kinetic energy an object has? A. by finding its position and form
B. by finding its speed and direction
C. by finding its height and width
D
by finding its mass and speed
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B. by finding its speed and direction

Kinetic energy is the energy an object has due to its motion. As long as an object is moving at the same velocity, it will maintain the same kinetic energy. The kinetic energy of an object is calculated from the velocity and the mass of the object.

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fusion: the energy source of stars. the energy released from the collapse of the gas into a protostar causes the center of the protostar to become extremely hot. when the core is hot enough, nuclear fusion commences. fusion is the process where two hydrogen atoms combine to form a helium atom, releasing energy.

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