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An electron moves in the positive x-direction a distance of 2.39 m in 2.89⋅10-8 s, bounces off a moving proton, and then moves in the opposite direction a distance of 1.65 m in 3.37⋅10-8 s.
a) What is the average velocity of the electron over the entire time interval?
b) What is the average speed of the electron over the entire time interval?



Answer :

The average velocity of the electron over the entire time interval is 1.182 x 10⁷ m/s.

The average speed of the electron over the entire time interval is  6.454 x 10⁷ m/s.

What is average velocity?

The average velocity of an object is the change in the displacement of the object with time.

average velocity = total displacement / total time of motion

average velocity = (final position - initial position)/total time

average velocity = (2.39 m - 1.65)/(2.89 x 10⁻⁸  +  3.37 x 10⁻⁸)

average velocity = 1.182 x 10⁷ m/s

What is average speed?

The average speed of an object is ratio of total distance to total time of motion of the object.

average speed =  (2.39 m + 1.65 m)/(2.89 x 10⁻⁸  +  3.37 x 10⁻⁸)

average speed = 6.454 x 10⁷ m/s

Learn more about average velocity here: https://brainly.com/question/6504879

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