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QUESTION
A rifle bullet with a mass of 16.0 g traveling toward the right at 237 m/s strikes a large bag of sand and penetrates it to a depth of 21.
A rifle bullet with a mass of 16.0 g traveling toward the right at 237 m/s strikes a large bag of sand and penetrates it to a depth of 21.3 cm. Determine the magnitude and direction of the friction force (assumed constant) that acts on the bullet.
