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Solve the all parts of given question:
Question: A ball is thrown toward a cliff of height h with a speed of 31 m/s at an angle of 60° above horizontal. It lands on the edge of the cliff 3.5 s later. (Assume that the ball arcs before landing perfectly on the corner of the cliff.)
Part A: How high is the cliff?
(in meters)
Part B: What was the maximum height of the ball?
Part C: What is the ball's impact speed?
(in meters/second)
If possible just a brief explanation how you got the answer?
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A high-voltage transmission line with a resistance of 0.255 ?/km carries a current of 1.40 kA. The line is at a potential of 600 kV at the power station and carries the current to a city located 157 km from the power station. What is the power los..
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