How much charge is delivered to the ground
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?
Expected delivery within 24 Hours
A capacitor is constructed of two concentric conducting cylindrical sheels. The radius of the inner cylindrical shell is 2.35 x 10-3 m, and that of the outer shell is 2.53 x 10-3 m.
Lisa is driving down I-95 at a constant speed of 60 miles per hour, Lisa passes the route 3 sign at noon. Doug is also driving down I-95 and passes the route 3 sign at 12:10, and eventually catches up to Lisa by 12:40pm.
Both are paid time and a half for any hours worked over eighthours each workday and work on Saturdays and are paid twice theregular hourly rate for work on Sundays and holidays
Assume that the mean hourly cost to operate a commercial airplane follows the normal distribution with a mean of $2,225 per hour and a standard deviation of $195. What is the operating cost for the lowest 5 percent of the airplanes?
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?
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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