What is the final speed of the crate
A 110 kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 350 N. For the first 15 m the floor is frictionless, and for the next 15 m the coefficient of friction is 0.30. What is the final speed of the crate?
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The press box at a baseball park is 32.0 ft above the ground. A reporter in the press box looks at an angle of 18.0 degrees below the horizontal to see second base.n What is the horizontal distance from the press box to second base?
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One way of obtaining pure sodium carbonate is through the decomposition of the mineral trona, Na5(CO3)2(HCO3)⋅2H2O, as shown in the following reaction:
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Discuss the wisdom of using the atomic bomb on the Japanese at the end of World War II. Include both practical and moral aspects of the question, and compare the atomic bomb with the fire bombing techniques widely used at the end of the war.
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