A racquetball strikes a wall with a speed of 3 ms and
A racquetball strikes a wall with a speed of 3 m/s and rebounds in the opposite direction with a speed of 26 m/s. The collision takes 20ms. What is the average acceleration of the ball through the collision with the wall?
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a racquetball strikes a wall with a speed of 3 ms and rebounds in the opposite direction with a speed of 26 ms the
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a star moves at speed of 5x10-3c away from the earth it emits light at a wavelength of 5890a observed on the star what
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