A Tennis Ball Is Shot Vertically Upward in an Evacuated

question 65

Multiple Choice

A tennis ball is shot vertically upward in an evacuated chamber inside a tower with an initial speed of 20.0 m/s at time t = 0 s.
-What is the magnitude of the acceleration of the ball when it is at its highest point?

• A)zero m/s²
• B)9.80 m/s²
• C)19.6 m/s²
• D)4.90 m/s²
• E)3.13 m/s²

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