What is the magnitude of an average force

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

Questions Cloud

Find out the difference in the positions : The lens has a refractive index of 1.30. Find out the difference Δx in the positions where each crosses the principal axis.

Distance between the centers of the two slits : What is the distance between the centers of the two slits? Describe answer in m.

Examine some of the causes and symptoms of employee burnout : Examine some of the causes and symptoms of employee burnout. Suggest steps that management can take to reduce the possibility of employee burnout.

What is the blocks distance from equilibrium : What is the block's distance from equilibrium as the speed are 36 cm/s? What is block's position at t=1.0 s.

What is the magnitude of an average force : If the contact time with the sidewalk is 1800s, what is the magnitude of an average force exerted on the superball by the sidewalk.

What is the magnification of image : A 180g block hangs from a spring with spring constant 6.0 N/m. At the block is 31cm below the equilibrium point and moving upward with a speed of 98.0cm/s. What is the block's position at t = 9s.

How long is the open-closed pipe : An open-open organ pipe is 67.9 cm long. AN open-closed pipe has an essential frequency equal to the third harmonic of the open-open pipe. How long is the open-closed pipe.

Discuss the pricing and distribution strategies : Prepare a report that discusses the pricing and distribution strategies. Research the following topics for the latest information concerning issues, trends, and potential impact to your client and relate them to the concepts and theories from the ..

Compute the speed of the players just after the tackle : A 100-kg halfback running north with a speed of 12 m/s is tackled by a 110-kg opponent running south with a speed of 4.0 m/s. If collision is completely inelastic and head-on, compute the speed of the players just after the tackle.

User Account

All Pages