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1. [7 pts] The Grand Canyon is 6000 feet deep at the deepest part. A rock is dropped from this height. (The acceleration due

1. [7 pts] The Grand Canyon is 6000 feet deep at the deepest part. A rock is dropped from this height. (The acceleration due to gravity is -32 feet/sec.) a. Express the height h of the rock as a function of the time t (in seconds). b. How long will it take the rock to hit the canyon floor? c. With what velocity does the rock hit the canyon floor? With what acceleration?

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