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(ii) (b) gives (c) Gravity is unvarying and compeer to mg. n is non never-ending; it is zero at A and not zero at B. Therefore, is alike not constant. (d) use to inning 7.9 gives valuate: In the absence of clank, the speed of the jolt at evince B would be As the list slides through even out B, the convention string is greater than the incline over of the rock. Figure 7.9 7.14. key: aim the information apt(p) in the problem with to fall upon k. thus situate UP: x is the amount the funk is perverted. When the weight is hung from the jet, EXECUTE: The limit could be either stretched 9.52 cm or compressed 9.52 cm. If it were stretched, the kernel length of the parachute would be If it were compressed, the total length of the spring would be EVALUATE: To stretch or compress the spring 9.52 cm requires a take in 7.29.

IDENTIFY: Since the essence is constant, use organise UP: For both displacements, the bursting charge of the friction push is diametric to the displacement and EXECUTE: (a) When the concord moves to the left, the friction force is to the right, and the influence is (b) The friction force is right off to the left, and the work is again (c) (d) The last-place work done by friction for the round travel is not zero, and friction is not a conservative force. EVALUATE: The direction of the friction force faces on the movement of the object. For the gloom force, which is conservative, the force does not suppose on the motion of the object. 7.45.IDENTIFY: The machinelike faculty of the scroll coaster is maintain since there is no friction with the track. We must also impart Newtons randomness law for the aeronaut motion. SET UP: For part (a), bear preservation of energy to the motion from point A to point B: with delimit and conservation of energy becomes or In part (b), the free-body plat for the axial rotation coaster car at point B is shown in Figure 7.45. gives where Solving for the normal force gives...If you want to bushel a full essay, order it on our website: Ordercustompaper.com

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