Question 2.3: CATCHING A FLY BALL GOAL Apply the definition of instantaneo...
CATCHING A FLY BALL
GOAL Apply the definition of instantaneous acceleration.
PROBLEM A baseball player moves in a straight line path in order to catch a fly ball hit to the outfield. His velocity as a func tion of time is shown in Figure 2.11a. Find his instantaneous acceleration at points Ⓐ, Ⓑ, and ©.
STRATEGY At each point, the velocity vs. time graph is a straight line segment, so the instantaneous acceleration will be the slope of that segment. Select two points on each segment and use them to calculate the slope.
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