A child is playing in a park on a rotating cylinder of radius r is set in rotation at an angular speed of W as shown below. The base of the cylinder is slowly moved away, leasing the child suspended against the wall in a vertical position. What is the minimum coefficient of friction between the child's clothing and wall is needed to prevent it from falling.
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Kate is working on a project in her tech education class. she plans to assemble a fan motor. which form of energy does the motor convert most of its electric energy into? a. light energy b. motion energy c. sound energy d. thermal energy
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What sort of waves exhibit the doppler effect?
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Atriangle with equal sides of length 10 cm has -2.5-nc charged objects at each corner. part a determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. horizontally rightward vertically downward vertically upward horizontally leftward
Answers: 1
A child is playing in a park on a rotating cylinder of radius r is set in rotation at an angular spe...
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