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Crowbar of 5 metre is used to lift an object of 800 metre if the effort arm is 200cm calculate the force applied
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You are driving directly behind a pickup truck, going at the same speed as the truck. a crate falls from the bed of the truck to the road. (a) will your car hit the crate before the crate hits the road if you neither brake nor swerve? (b) during the fall, is the horizontal speed of the crate more than, less than, or the same as that of the truck?
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Two particles are separated by a distance d. at this distance, the strong interaction between them i...
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