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Height of a Ball A ball is thrown upward from a height of
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How long will the ball take to reach the ground?
How high will the ball go?
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- Charging a Battery The rate at which a battery change is slower the closer the battery is to its maximum change c The time (in hours ) required to change a fully discharged battery to a charge C is given by t=In(1cc) Where k is a positive constant that depends on the battery. For a certain battery, k=0.25 . If this battery is fully discharged, how long will it take to change to 90% of its maximum charge c ?arrow_forwardDrug Concentration When a drug is administered orally, it takes some time before the blood concentration reaches its maximum level. After that time, concentration levels decrease. When 500 milligrams of procainamide is administered orally, one model for a particular patient gives blood concentration C, in milligrams per liter, after t hours as C=2.65(e0.2te2t) What is the maximum blood-level concentration, and when does that level occur?arrow_forwardThe Skydiver Again When a skydiver jumps from an airplane, her downward velocity, n feet per second, before she opens her parachute is given by = 176 1 0.834t, where t is the number of seconds that have elapsed since she jumped from the airplane. We found earlier that the terminal velocity for the skydiver is 176 feet per second. How long does it take for her to reach 90 of terminal velocity?arrow_forward
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