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Compute all parts of following problem:
Problem: A 1.1 kg ball drops vertically onto a floor, hitting with a speed of 31 m/s. It rebounds with an initial speed of 11 m/s.
Part A: What impulse acts on the ball during the contact?
Part B: If the ball is in contact with the floor for 0.00850 s, what is the magnitude of the average force on the floor from the ball?
I need help to find the magnitude of the average force on the floor from the ball.
A 50-kilogram woman balances on one heel of a pair of high heel shoes. If the heel is circular with radius of .5 cm, what pressure does she exert on the floor.
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A cube of ice is taken from the freezer at -5.7%u2218Cand placed in a 95g aluminum calorimeter filled with 305g of water at room temperature of 20.0 %u2218C, What was the mass of the ice cube
A block is at rest on a plank whose angle can be varied. The angle is gradually increased from 0 deg. At 27.1°, Calculate the kinetic coefficent of friction between the block and the plank
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