Abilliard ball strikes and rebounds from the cushion of a pool table perpendicularly. the mass of the ball is 0.38 kg the ball approaches the cushion with a velocity of +2.20 m/s and rebounds with a velocity of -1.70 m/s. the ball remains in contact with the cushion for a time of 3.40 x 10^-3 s. what is the average net force (magnitude and direction) exerted on the ball by the cushion?

What is the measure of a change in an objects velocity?

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Which of the following statements comparing electron microscopy and light microscopy is false? which of the following statements comparing electron microscopy and light microscopy is false? both the electron microscope and the light microscope use the same wavelengths for illumination. images produced by light microscopes can be in color, whereas electron microscope images are black and white unless they are artificially colored. the electron microscope has greater resolution than the light microscope. electron microscopes can allow examination of viruses and internal cell structures, whereas light microscopes are limited to objects that are 0.5 micrometers and larger. request answer