Free Fall: a Ball Is Projected Upward at Time T

question 1

Multiple Choice

Free fall: A ball is projected upward at time t = 0.00 s, from a point on a roof 70 m above the ground and experiences negligible air resistance. The ball rises, then falls and strikes the ground. The initial velocity of the ball is Consider all quantities as positive in the upward direction. The velocity of the ball when it is above the ground is closest to

• A) - 38 m/s.
• B) - 30 m/s.
• C) - 23 m/s.
• D) - 15 m/s.
• E) - 45 m/s.

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Definitions:

Creativity

The ability to think in novel and unusual ways and come up with unique solutions to problems.

Inverse Relationship

A situation where two variables move in opposite directions, meaning as one variable increases, the other decreases.

Gardner

Howard Gardner is a developmental psychologist best known for his theory of multiple intelligences, which suggests that individuals have various kinds of intelligences.

Sternberg

often associated with Robert Sternberg, an American psychologist known for his theory on intelligence, creativity, and wisdom.