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Aball is thrown upward in the air, and its height above the ground after t seconds is h ( t ) = 57 t β 16 t 2 feet. find the time t when the ball will be traveling upward at 14.25 feet per second.
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Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle
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The material that keeps its new shape after it is stretched is called?
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Immediately upon reaching its lowest point, a falling pendulum bob has its greatest amount of energy, which is the initial amount of potential energy. a. heat; less than b. heat; more than c. kinetic; less than d. kinetic; more than
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A volleyball of mass 0.28 kg is dropped from the top of the bleachers (height equals 12 m). What is...
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