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Q. 35

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Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
Found in: Page 155

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Short Answer

A skydiver can be modeled as a rectangular “box” with dimensions What is his terminal speed if he falls feet first? Use for the drag coefficient.

The terminal speed if he falls feet first is

See the step by step solution

Step by Step Solution

Step 1 : Given information.

Step 2 : Calculation

The formula for terminal velocity is given by:

here,

mass of the body

gravitational acceleration

density of air

= Projected area

c = Drag Constant

The density of air is

Projected area :

Step 3 : Continuation of calculation

Putting the values we get,

Therefore, the terminal velocity is

Step 4 : Final answer

The terminal speed if he falls feet first is

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