Sunday, August 7, 2011
A spaceship landing on a planet has a vertical velocity toward the surface of the planet of 7.5 m/s. At the sa?
A spaceship landing on a planet has a vertical velocity toward the surface of the planet of 7.5 m/s. At the same time, it has a horizontal velocity of 4 m/s. at what speed does the spaceship move? at what angle with the vertical is this path?
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