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A stone is launched straight up by a slingshot. Its initial speed is 19.2 m/s and the stone is 1.40 m above the ground when launched. Assume g = 9.80 m/s2.
(a) How high above the ground does the stone rise?
m
(b) How much time elapses before the stone hits the ground?
s
Given the electrostatic potential field as a function of position V(x,y,z) = 5x^3 y + 5yz +z^2 , determine the electric field vector E
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