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A projectile is launched straight up at 59.5 m/s from a height of 76 m, at the edge of a sheer cliff. The projectile falls just missing the cliff and hitting the ground below.
(a) Find the maximum height of the projectile above the point of firing.
m
(b) Find the time it takes to hit the ground at the base of the cliff.
s
(c) Find its velocity at impact.
m/s
At a distance of 6.0 km from a radio transmitter, the amplitude of the oscillating electric field of the radio wave is Eo=.13 V/in, What is the time-averaged energy flux
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