Aplanet has a period of revolution about the sun equal to tand a mean distance from the sun equal to r. t varies directly as
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In what direction does the medium move relative to the direction of the wave? explain.

What is the equation for electrical work?

Two students, each riding bicycles, start from the same apartment building and ride to the same building on campus, but each takes a different route. the first student rides 1100 m due east and then turns due north and travels another 1430 m before arriving at the destination. the second student heads due north for 1930 m and then turns and heads directly toward the destination.at the turning point, how far is the second student from the destination?