Physics, 23.12.2019 19:31 sippincoronas
Two blocks are connected by a light weight, flexible cord that passes over a frictionless pulley. ifm1=2 kg and m2 = 3 kg, and block 2 is initially at rest 1.96 m above the floor, how long does it take block 2 to reach the floor?
Answers: 2
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Specific heat refers to the amount of heat required to change 1 gram of a substance by degree(s) celsius
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Abowling ball rolling down the lane toward the pins has gravitational potential energy. a. no b. a lot of c. a little
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In a game of pool, ball a is moving with a velocity v0 of magnitude v0 = 15 ft/s when it strikes balls b and c, which are at rest and aligned as shown. knowing that after the collision the three balls move in the directions indicated and assuming frictionless surfaces and perfectly elastic impact (that is, conservation of energy), determine the magnitudes of the velocities va, vb, and vc.
Answers: 3
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