The acceleration on a falling tennis ball is not constant due to air resistance.  The time dependent acceleration is given by ?*e^-bt, where b is some constant related to the drag coefficient of friction in air and mass of the ball. What is the velocity of the ball at time t, assuming it starts from rest at t=0?

Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter2: Motion In One Dimension
Section: Chapter Questions
Problem 2.2OQ: A racing car starts from rest at t = 0 and reaches a final speed at time t. II the acceleration of...
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The acceleration on a falling tennis ball is not constant due to air resistance. 

The time dependent acceleration is given by ?*e^-bt, where b is some constant related to the drag coefficient of friction in air and mass of the ball.

What is the velocity of the ball at time t, assuming it starts from rest at t=0?

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