Evaluating the hang time
The punter on a football team tries to kick a football so that it stays in the air for a long "hang time." If the ball is kicked with an initial velocity of 25.2 m/s at an angle of 59.5° above the ground, what is the "hang time?"
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Describe the set of assumptions that you need to make in the application of Linear programming technique.
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A 17.5 g mass of ice at 273K is added to 125g of H2O(l) at 325K at constant pressure. Is the final state of the system liquid or ice? calculate ?S for the process. Is the process spontaneous ?
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While the spring is being compressed, what work is done on the block by the gravitational force on it? What work is done on the block by the spring force while the spring is being compressed?
Attach a copy of the graph of the average class data for "mass of barium sulfate versus volume of barium chloride." What is occurring before the graph levels off? What is indicated after the graph levels off?
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