943280
Frage 1
Frage
All moving objects have..
Antworten
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Power
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Kinetic Energy
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Speed
Frage 2
Frage
KE = ½ mv2 calculates..
Antworten
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The Kinetic Energy
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The change in Kinetic Energy
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The loss of Kinetic Energy
Frage 3
Frage
Since kinetic energy is proportional to the speed squared, braking distances for vehicles are also proportional to the speed squared.
Antworten
- True
- False
Frage 4
Frage
When a car stops, its kinetic energy changed into:
Antworten
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heat in the brakes
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heat in the tyres
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sound of the tyres dragging
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friction
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magnetic force
Frage 5
Frage
Work Done by brakes =
Antworten
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loss in kinetic energy
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gain in kinetic energy
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difference in kinetic energy
Frage 6
Frage
braking force x braking distance = loss in kinetic energy
Antworten
- True
- False
Frage 7
Frage
What products do petrol and diesel make?
Antworten
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Sulfur dioxide
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Carbon Dioxide
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Carbon Monoxide
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Carbon
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Nitric Oxide
Frage 8
Frage
What products do petrol and diesel make?
Antworten
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Sulfur dioxide
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Carbon Dioxide
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Carbon Monoxide
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Carbon
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Nitric Oxide
Frage 9
Frage
What affects fuel consumption?
Antworten
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Speed
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the amount of energy required for it do work against friction
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The amount of people in the car
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How long the journey is
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Road Conditions
Frage 10
Frage
Vehicles can be streamlined to produce ______ air resistance when they move,
Antworten
-
More
-
Less
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