a paratrooper survived a training jump from 1200 ft when his parachute failed to open but provided some resistance by flapping in the wind. Allegedly he hit the ground at 100 mi/h after falling for 10 seconds.You should first find the drag coefficient gamma, assuming a terminal velocity of 100 mi/h and also that the deceleration of the paratrooper due to air resistence is proportional to his velocity, with constant of proportionality gamma. Remember that the acceleration due to gravity near the earth's surface is 32 ft/sec2. gamma=?sec-1 Next find the distance D fallen in 10 seconds. D=?ft

a paratrooper survived a training jump from 1200 ft when his parachute failed to open but provided some resistance by flapping in the wind. Allegedly he hit the ground at 100 mi/h after falling for 10 seconds.You should first find the drag coefficient gamma, assuming a terminal velocity of 100 mi/h and also that the deceleration of the paratrooper due to air resistence is proportional to his velocity, with constant of proportionality gamma. Remember that the acceleration due to gravity near the earth's surface is 32 ft/sec2. gamma=?sec-1 Next find the distance D fallen in 10 seconds. D=?ft

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter6: Motion In Two Dimensions

Section6.3: Relative Velocity

Problem 27PP

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Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”

Question

Remember that the acceleration due to gravity near the earth's surface is 32 ft/sec².

gamma=?sec^-1

Next find the distance D fallen in 10 seconds.

D=?ft

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Step 2: First, let's convert the terminal velocity:

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Step 3: Now, we can use the equation for terminal velocity in the presence of air resistance:

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Step 4: We need to solve for Y:

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Step 5: Now, we need to find the distance fallen (D):

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