Physics, 26.06.2019 03:20 Dillpickle3322
Ahollow steel ball weighing 4 pounds is suspended from a spring. this stretches the spring 12 feet. the ball is started in motion from the equilibrium position with a downward velocity of 5 feet per second. the air resistance (in pounds) of the moving ball numerically = 4 times its velocity (in feet per second) . suppose that after t seconds the ball is y feet below its rest position. find y in terms of t. (note that the positive direction is down.) take as the gravitational acceleration 32 feet per second per second.
Answers: 3
Physics, 22.06.2019 07:10, cschellfamily
Road users moving into your lane, brake lights, and abrupt changes in road surface are a. rare at night b. indicators of potential hazards c. not worth worrying about before you reach them d. no problem for experienced drivers
Answers: 1
Physics, 22.06.2019 20:50, monae7803
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
Physics, 22.06.2019 21:10, alexiaalfaro
The junction rule describes the conservation of which quantity? note that this rule applies only to circuits that are in a steady state.
Answers: 1
Ahollow steel ball weighing 4 pounds is suspended from a spring. this stretches the spring 12 feet....
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