The following two questions relate to a baseball being hit. Just before the ball (of mass 0.4kg) contacts the bat, it is travelling in the negative x direction with a speed of 20m/s. Immediately after the hit, the ball moves away from the bat in the positive x direction with a speed of 30 m/s. The bat is in contact with the ball for 10 milli-seconds. 10. What is the magnitude of the average force on the ball in the x direction, while it is in contact with the bat? A) 400 N B) 1200 N C) 1600 N D) 2000 N E) 100,000 N 11. While in contact with the bat, there is an instant when the ball is stationary. At that instant, describe the acceleration of the ball in the x direction: A) In the positive x direction and non-zero B) In the negative x direction and non-zero C) Zero
The following two questions relate to a baseball being hit. Just before the ball (of mass 0.4kg) contacts the bat, it is travelling in the negative x direction with a speed of 20m/s. Immediately after the hit, the ball moves away from the bat in the positive x direction with a speed of 30 m/s. The bat is in contact with the ball for 10 milli-seconds. 10. What is the magnitude of the average force on the ball in the x direction, while it is in contact with the bat? A) 400 N B) 1200 N C) 1600 N D) 2000 N E) 100,000 N 11. While in contact with the bat, there is an instant when the ball is stationary. At that instant, describe the acceleration of the ball in the x direction: A) In the positive x direction and non-zero B) In the negative x direction and non-zero C) Zero
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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