A tennis ball is fired from the ground vertically upward with an initial velocity of 29 m/s. The tennis ball arrives at its maximum altitude in 3.0 seconds. Neglecting air resistance, what is the velocity of the ball after 3.0 seconds of the acceleration due to gravity is -9.81 m/s^2
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Physics, 22.06.2019 19:10
Global warming will produce rising sea levels partly due to melting ice caps but also due to the expansion of water as average ocean temperatures rise. to get some idea of the size of this effect, calculate the change in length (in m) of a column of water 1.45 km high for a temperature increase of 1.12°c. assume the column is not free to expand sideways. as a model of the ocean, that is a reasonable approximation, as only parts of the ocean very close to
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Physics, 22.06.2019 22:50
Which of the following statements correctly describes a transformer?
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A tennis ball is fired from the ground vertically upward with an initial velocity of 29 m/s. The ten...
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