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Question: A rifle bullet with a mass of 17.0 g traveling toward the right at 240 m/s strikes a large bag of sand and penetrates it to a depth of 21.9 cm.
Part A: Determine the magnitude and direction of the friction force (assumed constant) that acts on the bullet.
I need help to determine the magnitude and direction of the friction force.
A student plays around with a 1.0m ruler that can be setup in a stand by means of a knife edge clamp. He puts the knife edge clamp, and the pivot point, at the point where the ruler reads 30 cm. The student realizes this is not a stable position a..
Clouds in the tropics tend to move from east to west. Consequently, which rhyme best explains a rainbow seen in the tropics.
a 10kg sign hangs from two wires. one wire makes an angle of 45 degrees and the other makes a 30 degree angle. what is
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A barrel contains a 0.100 m layerof oil floating on water that is 0.390m deep. The density of the oil is 600 kg/m3. What is the gauge pressure at the oil-water interface
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A 2.74-nF parallel-plate capacitor is charged to an initial potential difference ?Vi = 100 V and is then isolated. The dielectric material between the plates is porcelain, with a dielectric constant of 6. (a) How much work is required to withdraw the..
a bullet of mass m traveling with velocity v strikes and lodges in a wooden block of mass m. the block is initially at
A hot air balloon is a bit like a bubble in water. It rises in air when the mass of relatively cool surrounding air displaced by the balloon is greater than the mass of the balloon and the gondola that hangs below it.
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