A Boy on a Skate Board Skates Off a Horizontal

question 57

Multiple Choice

A boy on a skate board skates off a horizontal bench at a velocity of 10 m/s. One tenth of a second after he leaves the bench, to two significant figures, the magnitudes of his velocity and acceleration are:

• A) 10 m/s; 9.8 m/s².
• B) 9.0 m/s; 9.8 m/s².
• C) 9.0 m/s; 9.0 m/s².
• D) 1.0 m/s; 9.0 m/s².
• E) 1.0 m/s; 9.8 m/s².

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Definitions:

Jones and Prescott's

Likely refers to specific theories, models, or research findings by individuals with the surname Jones and Prescott, requiring context for accurate description.

Play Environment

The physical and social setting in which children engage in play, designed to stimulate learning and development.

Adapting Needs

The process of adjusting one's requirements or desires in response to changing circumstances or environments.

Toys and Materials

Objects and resources used in play or educational activities, designed to stimulate learning and development.