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The cheetah can reach a top speed of 114 km/h (71 mi/h). While chasing its prey in a short sprint, a cheetah starts from rest and runs 50 m in a straight line, reaching a final speed of 73 km/h.
(a) Determine the cheetah's average acceleration during the short sprint. m/s2
(b) Find its displacement at t = 3.3 s. (Assume the cheetah maintains a constant acceleration throughout the sprint.) m
The bowling ball has a diameter of 20.6 {rm cm}, and the angle the stick makes with the horizontal is 30.0 {rm ^circ}. You may suppose there is no friction between the stick and the bowling ball, though friction with the floor must be taken into acco..
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There are two horizontal forces on the 2.0 kg box in the overhead view of the figure below but only one is shown. find the second force.
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