A ball with a mass of 3.1 kg is moving in a uniform circular motion upon a horizontal surface. The ball is attached at the center to a nail with a 2.0-m long rope and the tension in the rope is 20.4 N. Assuming no friction is taking place, how long does it take for the mass to make one complete revolution
Answers: 2
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When a 5.0kg cart undergoes a 2.2m/s increase in speed, what is the impulse of the cart
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Two technicians are discussing a resistance measurement between the can-h and can-l wires. technician a says this measurement should be done with the ignition switch in the "run" position. technician b states that a measurement of 0 ohms indicates an open in the network. which technician is correct?
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The free body diagram shows a box being pulled to the left up a 25-degree incline. the magnitude of the normal force is
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Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.
Answers: 2
A ball with a mass of 3.1 kg is moving in a uniform circular motion upon a horizontal surface. The b...
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