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When the force acting on an object points at least partially in the direction of the motion the work done is considered to be negative
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At time t=0, a particle is located at the point (3,6,9). it travels in a straight line to the point (5,2,7), has speed 8 at (3,6,9) and constant acceleration 2i−4j−2k. find an equation for the position vector of the particle.
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A20 cm long spring is attached to a wall. the spring stretches to a length of 22 cm when you pull on it with a force of 100 n. what is the spring constant
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A 60 N force is applied over distance of 15 m. How much work was done? ( show work)...
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