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Arod of some material 0.20 m long elongates 0.20 mm on heating from 21 to 120°c. determine the value of the linear coefficient of thermal expansion [in (degrees c)^-1] for this material.
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In automobile steering wheel is shown what is the ideal mechanical advantage blank? if the ama is eight what is the efficiency of the steering wheel?
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If two students are running down the hall toward each other, trying to get to class, and they have the same mass and acceleration, what will happen when they collide? will their forces cancel out or will each one experience a reaction?
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Which term describes what scientists expect to happen every time under a particular set of conditions? scientific theory scientific hypothesis scientific law scientific inquiry
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Which shows a 2 kg cart traveling at a constant speed in a horizontal circle of radius 3 m the magni...
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