US Cutnell, Physics, 9e GENERAL PHYSICS 1 AND 2 (PHYS 209 Assignment Gradebook s

Question

US Cutnell, Physics, 9e GENERAL PHYSICS 1 AND 2 (PHYS 209 Assignment Gradebook signment MESSAGE MY INSTRUCTOR FULL SCREEN PRINTER VERSION BACK Chapter 04, Problem 012 Your answer is partially correct. Try again. At an instant when a soccer ball is in with the foot of the player kicking it, the horizontal or x component of the ball's acceleration is 790 contact component of its acceleration is 780 m/s The balls mass is 0.36 kg. What is the magnitude of the net foroe acting on the soccer ball at this instant? m/s and the vertical or y the tolerance is +/-1 in the 2nd significant digit click if you would like to show work for this question open show work By accessing this Question Assistance, you will learn while you earn points based on the Point potential Policy set by your instructor. Question Attempts: Unlimited save FOR LATER

Explanation / Answer

Acceleration of the ball

a = sqrt [ ax^2 + ay^2 ] = sqrt[ 790^2 + 780^2 ] = 1110.2m/s^2

Net force F= m a

                  = (0.36kg)(1110.2)

                  = 399.66 N

                   = 399.7N or 400 N

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