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Two identical small charged spheres are a certain distance apart, and each one initially experiences an electrostatic force of magnitude f due to the other. with time, charge gradually leaks off of both spheres. when each of the spheres has lost half its initial charge, the magnitude of the electrostatic force will be
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What do you think car designers do if the damage caused by a crash test is too severe?
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How does an observation about an object differ from an inference about that object
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Select all the correct answers. which changes will increase the rate of reaction during combustion? decreasing the area of contact between the reactants adding more oxygen to the reaction removing heat from the reaction changing the reactants from solid form to powdered form lowering the exposure of the reactants to air
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A hiker shouts toward a vertical cliff 685 m away. The echo is
heard 4.00 s later. What is the spee...
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