A person leaps from an airplane 5500 feet above the ground and deploys her/his parachute after...
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A person leaps from an airplane 5500 feet above the ground and deploys her/his parachute after 10 seconds. Assume that the air resistance both before and after deployment of the parachute results in a deceleration proportional to the person's velocity, but with a different constant of proportionality. Before deployment, take the constant to be 0.13 sec-¹, and after deployment use the value 1.7 sec¹. (The acceleration due to gravity is 32.2ft/sec². Note also that the constants of proportionality given are p = k/m, not k.) How fast is the person going when the parachute is deployed? speed = ft/sec How high off the ground is the person when the parachute is deployed? height= ft Approximately (to one decimal place) how long after the parachute deploys does the person reach the ground (give your answer in seconds)? time sec A person leaps from an airplane 5500 feet above the ground and deploys her/his parachute after 10 seconds. Assume that the air resistance both before and after deployment of the parachute results in a deceleration proportional to the person's velocity, but with a different constant of proportionality. Before deployment, take the constant to be 0.13 sec-¹, and after deployment use the value 1.7 sec¹. (The acceleration due to gravity is 32.2ft/sec². Note also that the constants of proportionality given are p = k/m, not k.) How fast is the person going when the parachute is deployed? speed = ft/sec How high off the ground is the person when the parachute is deployed? height= ft Approximately (to one decimal place) how long after the parachute deploys does the person reach the ground (give your answer in seconds)? time sec
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Discovering Advanced Algebra An Investigative Approach
ISBN: 978-1559539845
1st edition
Authors: Jerald Murdock, Ellen Kamischke, Eric Kamischke
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