How fast is it moving when it reaches the ground

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A suitcase falls out of an airplane which is 400 meters above the ground. If the mass of the suitcase is 22 kg, and the air friction is by friction = - 0.3 v . What is the time it takes for the suitcase to reach the ground? How fast is it moving when it reaches the ground?

Reference no: EM13328267

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