A force in the negative direction of an x axis is applied for 31 ms to a 0.89 kg ball initially moving at 20 m/s in the positive direction of the axis. The force varies in magnitude, and the impulse has magnitude 30.1 N s. (a) What is the ball's velocity (including sign for direction) just after the force is applied? (b) What is the average magnitude of the force on the ball? (a) Number i (b) Number i ! Units N Units m/s

A force in the negative direction of an x axis is applied for 31 ms to a 0.89 kg ball initially moving at 20 m/s in the positive direction of the axis. The force varies in magnitude, and the impulse has magnitude 30.1 N s. (a) What is the ball's velocity (including sign for direction) just after the force is applied? (b) What is the average magnitude of the force on the ball? (a) Number i (b) Number i ! Units N Units m/s

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter11: Collisions

Section: Chapter Questions

Problem 9PQ

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Can you please help me with this question please? I appriited!

A force in the negative direction of an x axis is applied for 31 ms to a 0.89 kg ball initially moving at 20 m/s in the positive direction of
the axis. The force varies in magnitude, and the impulse has magnitude 30.1 N s. (a) What is the ball's velocity (including sign for
direction) just after the force is applied? (b) What is the average magnitude of the force on the ball?
(a) Number i
(b) Number i
!
Units
N
Units m/s

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