Comets travel around the sun in elliptical orbits with large eccentricities. If a comet has speed 2.4×104 m/s when at a distance of 2.2×1011 m from the center of the sun, what is its speed when at a distance of 5.0×1010 m . Express your answer using two significant figures.=m/s
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Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?
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Ascientist wants to test ways to reduce pollution in lake . what is the bestway of doing this
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Comets travel around the sun in elliptical orbits with large eccentricities. If a comet has speed 2....
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