A Ball Is Thrown Vertically Upward with an Initial Speed

question 19

Multiple Choice

A ball is thrown vertically upward with an initial speed of 20 m/s. Two seconds later, a stone is thrown vertically (from the same initial height as the ball) with an initial speed of 24 m/s. At what height above the release point will the ball and stone pass each other?

• A) 17 m
• B) 21 m
• C) 18 m
• D) 27 m
• E) 31 m

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Definitions:

1-RM Test

A measure of the maximum amount of weight one can lift in a single repetition for a given exercise.

Muscle Strength

The capacity of a muscle or group of muscles to exert force against resistance, important for physical performance and health.

Eccentric Contraction

A type of muscle contraction that occurs when the muscle lengthens under tension, such as when lowering a weight.

Concentric Contraction

A type of muscle action where the muscle shortens while generating force, often occurring in lifting movements.