Two identical balls are at rest and side by side at the top of a hill. you let one ball, a, start rolling down the hill. a little later you start the second ball, b, down the hill by giving it a shove. the second ball rolls down the hill along a line parallel to the path of the first ball and passes it. at the instant ball b passes ball a:
a. it has the same position and the same velocity as a. b. it has the same position and the same acceleration as a. c. it has the same velocity and the same acceleration as a. d. it has the same displacement and the same velocity as a. e. it has the same position, displacement and velocity as a.
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The amount of potential energy possessed by an elevated object is equal to what?
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Asmall 12.00g plastic ball is suspended by a string in a uniform, horizontal electric field with a magnitude of 10^3 n/c. if the ball is in equilibrium when the string makes a 30 ° angle with the vertical, what is the net charge on the ball?
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Two technicians are discussing a starter that clicks repeatedly when the key is turned to the crank position. technician a says the solenoid hold-in winding is open. technician b says the solenoid pull-in winding is open. who is correct?
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Astudent pushes a 40-n block across the floor for a distance of 10 m. how much work was applied to move the block? a. 4 j b. 40 j c. 400 j d. 4000 j
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Two identical balls are at rest and side by side at the top of a hill. you let one ball, a, start ro...
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Mathematics, 26.02.2021 05:00
Mathematics, 26.02.2021 05:00
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