A Tennis Ball Is Thrown from Ground Level with Velocity

question 26

Multiple Choice

A tennis ball is thrown from ground level with velocity v₀ directed 30° above the horizontal. If it takes the ball 0.5 s to reach the top of its trajectory, what is the magnitude of the initial velocity?

• A)4.9 m/s
• B)9.8 m/s
• C)11.3 m/s
• D)19.6 m/s
• E)34.4 m/s

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Definitions:

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A form of influence where an entity can shape or guide the actions of another, without direct authority, often through intermediaries or other indirect means.

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Earnings received by shareholders from the profits of a company, distributed according to the number of shares owned.

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