Question
A softball player is at bat and is trying to hit the ball. Starting with her bat at rest and angled 25 clockwise of the
A softball player is at bat and is trying to hit the ball. Starting with her bat at rest and angled 25 clockwise of the ball's path, as viewed from above (see figure), the player applies a constant angular acceleration to the bat until the ball reaches home plate, 0.27 s later. The bat's rotation speeds up throughout this 0.27 s period, such that the bat is rotating counterclockwise at 700/s, as viewed from above, at the instant the ball reaches home plate. i) (1 pt) What equation is most appropriate for determining the angular displacement the bat undergoes between the start of the period of acceleration and the instant the ball reaches home plate? ii) (1 pt) To hit the ball to left field would require a larger angular displacement of the bat than that the batter produced. Other values given being equal, which of the following changes would act to increase the angular displacement from part (i)? a. (T / F) The player starts to accelerate the bat when the ball is 0.25 s away from reaching home plate b. (T / F) The player accelerates the bat to an angular velocity of 1000/s by the instant the ball reaches home plate
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