How high was the jump
a 50 kg pole vaulter running at 10 m/s vaults over the bar. if the vaulter's horizontal component of velocity over the bar is 1.0 m/s and air resistance is disregarded, how high was the jump?
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The shaft of a pump starts from rest and has an angular acceleration of 4.40 rad/s2 for 16.0 s. At the end of this interval, what is the shaft's angular speed?
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