Physics air resistance
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10 Terms
1
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what two factors is the amount of air-resistance dependent on?
surface area, speed
2
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terminal velocity
max speed when falling
3
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when does terminal velocity occur?
Fair = Fgrav
4
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what factors would enable an object to have a greater terminal velocity than another object?
surface area, mass (Fg)
5
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a brick and a feather are falling in the presence of air resistance. which has a greater terminal velocity.
brick
6
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a brick and a feather are falling in the presence of air resistance. which one experiences a greater force of air resistance once they both reach terminal velocity?
brick
7
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which experiences a greater force of air resistance? the brick or the feather?
brick
8
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when a skydiver jumps out of her plane, her speed increases before pulling her parachute. what happens to the magnitude of her vertical acceleration as she falls? (not reached terminal velocity)
increases
9
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what happens to the net force of the parachuter
decreases
10
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what happens to the magnitude of her vertical acceleration as she falls?
decreases