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galina1969
1 month ago
11

A group of science and engineering students embarks on a quest to make an electrostatic projectile launcher. For their first tri

al, a horizontal, frictionless surface is positioned next to the 12-cm-diameter sphere of a Van de Graaff generator, and a small, 5.0 g plastic cube is placed on the surface with its center 2.0 cm from the edge of the sphere. The cube is given a positive charge, and then the Van de Graaff generator is turned on, charging the sphere to a potential of 200,000 V in a negligible amount of time. How much charge does the plastic cube need to achieve a final speed of a mere 3.0 m/s? Does this seem like a practical projectile launcher?
Physics
1 answer:
Maru [3.3K]1 month ago
7 0
The charge on the plastic cube is determined as follows.
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Answer:

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Explanation:

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