Find the time in seconds that the football
One of the 2 questions I am having problem with. The height in feet of a football as a function of time in seconds is given by f(t) = -16.1t2 + 64.4t + 79.8. Find the time in seconds that the football is 90 feet above the ground.
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An especially violent lightning bolt has an average current of 2.86 x 103 A lasting 0.220 s. How much charge is delivered to the ground by the lightning bolt?
Teresa retired in June of 2008, with a life expectancy of 10years. Her pension is $1,400 per month from a qualified pensionplan to which her employer also made contributions. Teresacontributed $ 28,000 to the plan.
Liquid water is cooled at a constant pressure of 200 kPa in a piston-cylinder device from a temperature of 110 °C to a temperature of 30 °C. Determine the change in entropy.
If a baseball is projected upward from ground level with an initial velocity of 32 feet per second, then its height is a function of time, given by s= -16t^2 + 32t. What is the maximum height reached by the ball?
Heat is then slowly removed from the nitrogen during a constant pressure process until the temperature of the nitrogen is 300K. Calculate the work done by the nitrogen gas.
Blue Company has beginning and ending Work-in-Process Inventories that are 45% and 10% complete, respectively. Materials are added at the beginning of the process.
What value would be the cutoff for the top 10%, if you have a mean of 10 and a standard deviation of 2?
Find the power input to the compressor. Suppose on an actual compressor the exit temperatureis found to be 447C. Find the adiabatic efficiencyof this compressor.
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