Physics, 06.05.2020 01:46 athenajames1221
Anna holds a 1.5 kg air rifle loosely and fires a bullet of mass 1.05 g. The muzzle velocity of the bullet is 165 m/s (the gun and the bullet are the system). To the right is the positive direction. What is the total final momentum of the system?
Answers: 3
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The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force
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Astone is thrown into a pond. what happens to the amplitude of the resulting waves as they get farther from the point where the stone hit the water? explain.
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Physics, 23.06.2019 00:40, bravomichelle75
Asteel tube (k=50 w/mk) of inner and outer diameter di = 20mm and do=26mm, respectively, is used to transfer heat from hot gases flowing over the tube (h-hot = 200w/m2k) to cold water flowing through the tube (h-cold = 8000 w/m2k). what is the cold-side overall heat transfer coefficient uc? to enhance heat transfer 16 straight fins of rectangular profile are installed longitudinally along the outer surface of the tube. the fins are equally spaced around the circumference of the tube, each having a thickness of 2mm and a length of 15mm. what is the corresponding overall heat transfer coefficient uc? *solve for uc in both cases*
Answers: 1
Anna holds a 1.5 kg air rifle loosely and fires a bullet of mass 1.05 g. The muzzle velocity of the...
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