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IP Laboratory measurements show that an electron traveled 3.50 cm in a time of 0.210ns .
What is the electron's speed?
In the electron's frame of reference, how far did the laboratory travel?
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As part of a fiendish plan, the physics student society decided to use a catapult to launch a water balloon toward the engineering quad. The catapult launches the balloon ( m =4.24 kg) with an initial speed of v 0=18.2 ...
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