What is the name of the line drawn perpendicular to the surface where a light ray strikes?
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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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Consider a system with two masses that are moving away from each other. why will the kinetic energy differ if the frame of reference is a stationary observer or one of the masses?
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Asign is hung between two cables as illustrated below. if the sign weighs 350 n, what is the tension (in n) in each cable?
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What are the differences and relationships between speed, velocity, and acceleration
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