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.
An airplane is flying at a speed of 200m/s in level flight at an altitiude of 800 m . A package is to be dropped from the airplane to land on a target on the ground. At what horizontal distance away from the target should the package be released s
Gold is a very conductive and ductile metal. One gram of gold can be pulled into a wire 2 km long. The density of gold is 19.3 g/cm3 and the melting point is 1337.3 K. What is the diameter of this gold wire?
If the vapor pressure of an aqueous solution of ethylene glycol C2H6O2 (62.06844 g/mol) was found to be 52.3 torr at 39.8 degrees C, calculate the grams of ethylene glycol used to make this solution if 215.00 mL H2O was used as solvent?
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 ?
Determine the probability distribution for the number of Hondas in a sample of three cars chosen from the top twelve. (Round your answers to 3 decimal places.)
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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