Physics, 19.09.2021 17:30 myiacoykendall
28. A boat leaves the dock at t = 0 and heads out into a lake with an acceleration of
2.0m/s2i^. A strong wind is pushing the boat, giving it an additional velocity of
2.0m/s iº+1.0m/s jº. (a) What is the velocity of the boat at t = 10 s? (b) What is the
position of the boat at t = 10s? Draw a sketch of the boat's trajectory and position at
t = 10 s, showing the x- and y-axes.
Answers: 1
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The two metal spheres in the figure are connected by a metal wire with w switch in the middle. initially the switch is open. sphere 1, with the larger radius, i'd given a positive charge. sphere 2, with the smaller radius, is neutral. then the switch is closed. afterward, sphere 1 has charge q1, is at potential v1 and the electric field strength at its surface is e1. the values for sphere 2 are q2, v2, and e2. a. is v1 < ,> , or = to v2? explain. b. is q2 < , > , or = explain? c. is e1 < ,> ,or = to e2? explain?
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28. A boat leaves the dock at t = 0 and heads out into a lake with an acceleration of
2.0m/s2i^. A...
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