A Tennis Ball Is Shot Vertically Upward in an Evacuated

question 20

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.
-Determine the velocity of the ball at t = 3.00 seconds.

• A)9.40 m/s, downward
• B)9.40 m/s, upward
• C)29.4 m/s, downward
• D)38.8 m/s, upward
• E)38.8 m/s, downward

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Definitions:

Multiplication Rule

A principle in probability that determines the likelihood of two independent events occurring together by multiplying their individual probabilities.

Probability

The measure of the likelihood that an event will occur.

Posterior Probability

The revised probability of an event occurring after taking into consideration new information.

Prior Probability

The probability of an event before new data or information is taken into account.