Question

Please answer all if possible

A horse starts walking in one direction. A minute or so later his walk completely. On a rough graph plot the horse's speed as a function of time.

On the moon an outfielder can throw a baseball six times farther but a pitcher cannot throw a ball any faster. Explain.

When children on a roller coaster ride over a crest they experience an apparent weightlessness. Explain this in terms of normal force and weight.

Answer 1

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