A Block Slides Down a Frictionless Incline and Then Flies

question 39

Multiple Choice

A block slides down a frictionless incline and then flies into the air as shown.

• A)The magnitude of the acceleration is the same during the entire motion including while it is in the air.
• B)The acceleration changes sign when the block leaves the incline.
• C)The magnitude of the acceleration is a maximum just after the block leaves the incline and then decreases.
• D)The magnitude of the acceleration is a maximum just after the block leaves the incline and then increases.
• E)The magnitude of the acceleration is a maximum just after the block leaves the incline and then stays constant.

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Definitions:

BMI

Body Mass Index, a measure of body fat based on height and weight that applies to adult men and women.

Secondary Sex Characteristics

Physical traits that emerge during puberty, which are not directly involved in reproduction but distinguish between the sexes, such as breast development in females and facial hair in males.

Masculinity

A set of attributes, behaviors, and roles associated with boys and men as expressed by society, culture, and individuals.

Femininity

A set of attributes, behaviors, and roles generally associated with girls and women by a society.