A Boy Throws a Ball with an Initial Velocity of 25

question 43

Multiple Choice

A boy throws a ball with an initial velocity of 25 m/s at an angle of 30° above the horizontal.If air resistance is negligible,how high above the projection point is the ball after 2.0 s?

• A)5.4 m
• B)13 m
• C)25 m
• D)43 m
• E)50 m

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Definitions:

Sound Contrasts

Differences in sound that are used to distinguish meaning in languages, such as the contrast between the sounds of "p" and "b".

Human Language

A complex, dynamic system of conventional symbols organized into a structured form of communication shared among humans.

Morphemes

The minimal linguistic elements that have semantic value in a language.

Japanese Infants

Refers specifically to infants born to Japanese parents, often in the context of discussing cultural influences on development and behavior.