Physics, 19.01.2021 05:50 madisongibson714
A ball rolling on the floor eventually comes to a stop. Which statement best describes this situation?
The energy on the macroscopic scale decreased, and the energy on the molecular scale increased.
The energy on the macroscopic scale and the energy on the molecular scale both remained constant.
The energy on the macroscopic scale increased, and the energy on the molecular scale decreased.
The energy on the macroscopic scale and the energy on the molecular scale both decreased.
Answers: 2
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Adding more pulleys to a system of pulleys needed to lift an object. a. increases the force b. decreases the force c. increases the amount of work d. decreases the amount of work
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Aparticle initially moving east with a speed of 20.0 m/s, experiences an acceleration of 3.95 m/s, north for a time of 8.00 s. what was the speed of the particle after this acceleration, in units of m/s? give the answer as a positive number.
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Nacidified solution was electrolyzed using copper electrodes. a constant current of 1.18 a caused the anode to lose 0.584 g after 1.52 ✕ 103 s. given that the charge of an electron is 1.6022 ✕ 10−19 c, calculate avogadro's number. assume that copper is oxidized to cu2+ ions.
Answers: 1
A ball rolling on the floor eventually comes to a stop. Which statement best describes this situatio...
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