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A man of mass 60kg walks along a horizontal road at a steady speed of 4.6 km h^-1 by taking strides of length 96cm. His centre of gravity rises (and falls) 9.0 cm at each step. Calculate his work rate.
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Problem: An athlete performing a long jump leaves the ground at a 28.2 degree angle and lands 7.67 m away. A) What was the takeoff speed? B) If this speed were increased by just 5.0%, how much longer would the jump be?
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A particle starts from the origin at t = 0 with an initial velocity having an x component of 26.6 m/s and a y component of -14.8 m/s. The particle moves in the xy plane with an x component of acceleration only, given by ...
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