A fullback is running down the football field in a straight line. He starts at the 0-yard line at 0 seconds. At 1 second, he is on the 10-yard line; at 2 seconds, he is at the 20-yard line; at 3 seconds, he is at the 30-yard line; and at 4 seconds, he is at the 40-yard line. This is evidence that
a.) he is accelerating
b.) he is moving with a constant speed (on average)
c.) he is covering a greater distance in each consecutive second
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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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What type of nuclear decay causes the atomic number of an element to increase by 1?
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Aturntable a is built into a stage for use in a theatrical production. it is observed during a rehearsal that a trunk b starts to slide on the turntable 10 s after the turntable begins to rotate. knowing that the trunk undergoes a constant tangential acceleration of 0.31 m/s2, determine the coefficient of static friction between the trunk and the turntable.
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Engineers find a new metal that is stronger than steel but much lighter. this material is also significantly cheaper than what is currently used for most aircraft, available in large quantities, and easy to manufacture. the engineers are excited because this new material will lower the costs of buying and operating airplanes for companies. what is probably the best step for the engineers to make next?
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A fullback is running down the football field in a straight line. He starts at the 0-yard line at 0...
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