What is the magnitude of an average force

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Reference no: EM135029

Q1. Assume you are 75 cm from a plane mirror. What area of the mirror is used to reflect the rays entering one eye from a point on the tip of your nose if your pupil diameter is 4.3 mm?

Q2. A child bounces a 59 g superball on the sidewalk. The velocity change of the superball is from 21 m/s downward to 18 m/s upward. If the contact time with the sidewalk is 1800s, what is the magnitude of an average force exerted on the superball by the sidewalk?

Give answer in units of N.

Reference no: EM135029

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