A Stone Thrown Horizontally from a Cliff with an Initial

question 27

Multiple Choice

A stone thrown horizontally from a cliff with an initial speed of 10 m/s hits the bottom of the cliff in 4.3 s. What is the height of the cliff?

• A) 22 m
• B) 43 m
• C) 69 m
• D) 91 m

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Definitions:

Fractions

Mathematical expressions representing the division of one quantity by another, indicating a part of a whole.

Equal

Having the same value, measure, or quantity as something else.

Precordial Electrode

Electrodes placed on the chest during an electrocardiogram (ECG) to record electrical activity of the heart.