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A block with a weight of 3.5 N is at rest on a horizontal surface. A 1.2 N upward force is applied to the block by means of attached vertical string.
(a) What is the magnitude of the force of the block on the horizontal surface?
(b) What is the direction of the force of the block on the horizontal surface?
Consider a thin rod of mass 3.7 kg, length 1.8m and uniform density. The rod is pivoted at one end on a frictionless horizontal pin
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a pirate ship is locaed 560 m from a fort that is defening habour entrnce of an island a defense cannon at sea level fires cannon balls at 82 m/s. at what angle from the horizontal does the cannons hit
A laboratory technician drops a 0.0850-kg sample of unknown material, at a temperature of 100.0C, into a calorimeter. The calorimeter can, Compute the specific heat capacity of the sample
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