Physics, 10.03.2020 00:25, heatherswiffin666
A block M = 1.25 kg is pulled up along an inclined plane by a constant force F which is parallel to the incline as shown. The coefficient of kinetic friction between the block and the plane surface µk=0.35. The block starts from rest at the bottom. The block’s speed when it reaches the top is 0.511 m/s. How much is F?
Answers: 1
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Zeros that follow non-zeros numbers and are also to the right of a decimal point are significant
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An incident ray through the focal point of a spherical mirror will: reflect through the center of curvature. reflect back through the focal point. reflect parallel to the principle axis. reflect the same direction as the incident ray.
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Awind turbine is rotating counterclockwise at 0.5 rev/s and slows to a stop in 10 s. its blades are 20 m in length. (a) what is the angular acceleration of the turbine? (b) what is the centripetal acceleration of the tip of the blades at t=0s? (c) what is the magnitude and direction of the total linear acceleration of the tip of the blades at t=0s?
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