A Stone Is Thrown with an Initial Speed of 10

question 45

Multiple Choice

A stone is thrown with an initial speed of 10.1 m/s at an angle of 58° above the horizontal from the top of a 31 m building.If g = 9.8 m/s² and air resistance is negligible,then what is the magnitude of the horizontal component of velocity as the rock strikes the ground?
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• A) 26 m/s
• B) 5 m/s
• C) 16 m/s
• D) 5 m/s.
• E) 13 m/s

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Definitions:

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Intrauterine Device

A small contraceptive device, often T-shaped, inserted into the uterus to prevent pregnancy.

Spermicide

A chemical product used during sexual activity to kill sperm and significantly reduce the likelihood of pregnancy.

Sexual Orientation

An enduring pattern of emotional, romantic, or sexual attractions to men, women, or both sexes, also including attractions that are not exclusively to either gender.