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The sun radiates energy at a rate of 3.86 ? 1026 W. Its radius is 7.0 ? 108 m. If the distance from the Earth to the sun is 1.5 ? 1011 m, what is the intensity of solar radiation at the top of the Earth's atmosphere?
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Question: A radar station locates a sinking ship at range 17.9 km and bearing 136° clockwise from north. From the same station, a rescue plane is at horizontal range 19.6 km, 156° clockwise from north, with elevation 2 ...
Question: A straight wire of length L has a positive charge Q distributed along its length. Find the magnitude of the electric field due to the wire at a point located a distance d from one end of the wire along the line ...
Near the Earth's surface, a compact car of total mass M is driven on a large, revolving, horizontal, disk-shaped platform which itself rotates about its center at a fixed angular frequency ω. At t = 0, the driver leaves ...
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