A force in the negative direction of an x axis is applied for 19 ms to a 0.69 kg ball initially moving at 14 m/s in the positive direction of the axis. The force varies in magnitude, and the impulse has magnitude 31.9 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?

University Physics Volume 1
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ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter2: Vectors
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A force in the negative direction of an x axis is
applied for 19 ms to a 0.69 kg ball initially
moving at 14 m/s in the positive direction of
the axis. The force varies in magnitude, and the
impulse has magnitude 31.9 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
Units
(b) Number
i
Units
Transcribed Image Text:A force in the negative direction of an x axis is applied for 19 ms to a 0.69 kg ball initially moving at 14 m/s in the positive direction of the axis. The force varies in magnitude, and the impulse has magnitude 31.9 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 Units (b) Number i Units
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