Magnitude and direction of the friction force
A rifle bullet with a mass of 15.5 g traveling toward the right at 256 m/s strikes a large bag of sand and penetrates it to a depth of 21.4 cm. Determine the magnitude and direction of the friction force (assumed constant) that acts on the bullet.
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A supermarket employee pushes cart 1 (with mass m1) horizontally with a force of magnitude F = 851 N. Assume there is no friction anywhere. a) Find the magnitude of the acceleration of the carts.
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A rifle bullet with a mass of 15.5 g traveling toward the right at 256 m/s strikes a large bag of sand and penetrates it to a depth of 21.4 cm. Determine the magnitude and direction of the friction force (assumed constant) that acts on the bullet
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At 1.15s after liftoff, the rocket clears the top of its launch platform, 63m above the ground. After an additional 4.75s it is 1.00km above the ground. calculate the magnitude of the average velocity of the rocket for:
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The coefficient of friction between the skis and the snow is 0.16. After the skier had been moving for 5.0 s, the friction of the snow suddenly increased and made the net force on the skier zero. What is the new coefficient of friction?
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