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A car moves with an average speed of 45 mph. How long does a car take to travel 90 miles?
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Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge
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Ablock of steel has a density of 0.29lbs per cubic inch. if the block has dimensions of 1 inch by 1 inch by 3 inches, what is its weight? a. 0.29lbs b. 0.58lbs c. 0.87lbs d. 1lbs
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As a pendulum bob swings back and forth several times, the maximum height it reaches becomes less and less. this is because more and more of the pendulum bob's energy is being transformed into a. heat energy b. kinetic energy c. potential energy d. kinetic energy and potential energy
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What was the first instrument to ever record an earthquake?
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A car moves with an average speed of 45 mph. How long does a car take to travel 90 miles?...
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