At what angle to the horizon was the stone thrown if the ratio of its potential energy to the kinetic energy in the upper point of the trajectory is equal to 0,8. The answer should be expressed in degrees. Consider the force of air resistance to be negligible.
At what angle to the horizon was the stone thrown if the ratio of its potential energy to the kinetic energy in the upper point of the trajectory is equal to 0,8. The answer should be expressed in degrees. Consider the force of air resistance to be negligible.
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Transcribed Image Text:At what angle to the horizon was the stone
thrown if the ratio of its potential energy to
the kinetic energy in the upper point of the
trajectory is equal to 0,8. The answer
should be expressed in degrees. Consider
the force of air resistance to be negligible.
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