924876
Questão 1
Questão
What are the amount of forces acting against a skydiver at the start of his jump?
Responda
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Small air resistance, Gravity is large
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Gravity is small, Air resistance is big
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Friction is big, Gravity is small
Questão 2
Questão
As the skydivers speed increases, what are the amounts of force acting against him?
Responda
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Air resistance increasing, Gravity big
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Gravity increasing, Air resistance big
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Friction increasing, Gravity small
Questão 3
Questão
What will happen after his speed increases?
Responda
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The air resistance and gravity will balance the skydivers weight. Terminal velocity
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Gravity is small, Air resistance is big
Questão 4
Questão
When the parachute is opened. What will the forces be like?
Responda
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Air resistance suddenly increases, starts to slow down
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Air resistance suddenly increases, starts to speed up
Questão 5
Questão
What will happen after this?
Responda
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It will reach a new LOWER terminal velocity
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It will reach a new HIGHER terminal velocity
Questão 6
Questão
When a rocket flies away from the Earth, what is the force like?
Responda
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Large force as the Rocket leaves Earth
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Small force as the Rocket leaves Earth
Questão 7
Questão
When a Rocket reaches Space, what will the force be like to power the Rocket?
Responda
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Big force
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Small force
Questão 8
Questão
Steep upwards line on a graph, represents what?
Responda
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Accelerating speed
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Less accelerating speed
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Constant speed
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Deaccelerating
Questão 9
Questão
A horizontal line, on a graph, represents what?
Responda
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Constant speed
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Accelerating speed
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Less accelerating speed
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Decelerating speed
Questão 10
Questão
A small diagonal line on a graph, represents what?
Responda
-
Less accelerating speed
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Constant speed
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Accelerating Speed
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Decelerating speed
Questão 11
Questão
A backwards line, on a graph, represents what?
Responda
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Decelerating speed
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Less accelerating speed
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Constant speed
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Accelerating speed
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