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A bug is on the edge of a rotating record player moving toward a light positioned along the edge of record player as well. The bug is trying to reach the light by walking across the record player while it is spinning. The bug moves at a constant speed v relative to record players surface. The record player is spinning counterclockwise and the angular speed is omega=(alpha)t. the bug travels a straight line path to the light relative to the turntable's urface. Determine the accelerations acting on the bug as it crosses the record player as a function of time and the path that it would take as seen by an observer who is not rotating with the record player.
A 2.0 mL syringe has an inner diameter of 4.0 mm, the needle inner diameter of 0.21 mm, and a plunger pad diameter (where you place your finger) of 1.20 cm. A nurse uses the syringe to inject medicine into a patient whose blood pressure is 140/100. S..
Suppose you want to make a rainbow by spraying mist from a garden hose into the air. Why can't you ever walk under the rainbow
A hot (70 C) lump of metal has a mass of 250 gm and a specific heat of .25 cal/gm-C. John drops the metal into a 500 gm calorimeter (specific heat of .10 cal/gm-C) containing 75 g of water at 20 C. Once they reach equilibrium, what will be the fin..
At the instant shown, the spring is unstretched and B is moving downward at 4 ft/s. Use conservation of energy to identify velocity of B when it has moved downward 2 ft from its current position.
Suppose the highway is icy and the coefficient of friction between the tires and pavement is only one-third what you found in part (1). What should be the maximum speed of the car so it can round the curve safely.
An electron moves in a region where the magnetic field is uniform, has a magnitude of 60 mT, What is the pitch of the resulting helical path
What types of lifestyle changes will be brought about by living in a house whose space heating and hot water needs are supplied almost completely by the sun.
A 362 g object is attached to a spring and executes simple harmonic motion with the period of 0.200 s. If the total energy of the system is 6.71 J.
A satellite is in a circular orbit about the earth (ME = 5.98 × 1024 kg). The period of the satellite is 1.20 × 104 s. Illustrate what is the speed at which the satellite travels?
A boy on board a cruise ship drops a 30.0 g marble into the ocean. If the resistive force proportionality constant is 0.500 kg/s, what is the terminal speed of the marble in m/s?
A spinning wheel is slowed down by a brake, giving it a constant angular acceleration of 5.20 rad/s^2. What is the angular speed of the wheel at the end of the 2.80-s interval
How much force must the elbow exert?What is the horizontal distance between the elbow and the point where the weight of the forearm acts?
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