Physics, 25.02.2020 17:54 thelukp7fihp
A man pushes with a force of 300 N on a bookcase of mass 75 kg. The coefficient of static friction between the bookcase and the floor is 0.9. Because of friction, the bookcase does not move. What is the force of friction on the bookcase?
A. 362 N
B. 300 N
C. 551 N
D. 662 N
Answers: 3
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The rocket is fired vertically and tracked by the radar station shown. when θ reaches 66°, other corresponding measurements give the values r = 32700 ft, r¨ = 85 ft/sec2, and θ˙ = 0.019 rad/sec. calculate the magnitudes of the velocity and acceleration of the rocket at this position.
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Uppose we consider the system of the three capacitors as a single "equivalent" capacitor. given the charges of the three individual capacitors calculated in the previous part, find the total charge qtot for this equivalent capacitor. express your answer in terms of v and c.
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The amount of potential energy possessed by an elevated object is equal to what?
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A man pushes with a force of 300 N on a bookcase of mass 75 kg. The coefficient of static friction b...
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