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the earth circumference is 4*10(7) m. and the mooncircumference is 27% as large. the moon mass is 1.23% of the earthmass. using this information and g on the earth surface, calculate escape velocity on the moon.
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Question: An outfielder throws a 0.150 kg baseball at a speed of 40.0m/s at an intial angle of 30.0 with respect to the horizontal. a) what is the kinetic energy of the baseball at the highest point of its motion? b) wha ...
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Question: This problem concerns the properties of circular orbits for a satellite of mass m orbiting a planet of mass M in an almost circular orbit of radius r. In doing this problem, you are to assume that the planet ha ...
Calculate the momentum of a 2100 kg elephant charging a hunter at a speed of 7.50 m/s. kg·m/s Compare the elephant's momentum with that of a 0.0400 kg bullet fired at a speed of 600 m/s. (momentum of elephant / momentum ...
Consider the roller coaster below in terms of speed. Where will it speed up and where will it slow down? From this consideration, make a sketch of a velocity-time graph for this image. Explain your graph. Post your sketc ...
Question: A projectile is fired with an initial speed of 30m/s at an angle of60 deg above the horizontal. The object hits the ground 7.5slater. a) How much higher or lower is the launch point relative to thepoint where t ...
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