451062
Beschreibung
Quiz von alex.examtime9373, aktualisiert more than 1 year ago
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Erstellt von alex.examtime9373
vor fast 11 Jahre
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Frage 1
Frage
What is the definition of work?
Antworten
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Force x acceleration
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Force x displacement
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Mass x acceleration
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Mass x displacement
Frage 2
Frage
If a person pushes a car for a distance of 15m with a force of 500 N. What is the work done by this person?
Antworten
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7,500 J
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750 J
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33.33 J
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333 J
Frage 3
Frage
Energy is the ability to do work.
Antworten
- True
- False
Frage 4
Frage
The formula for kinetic energy is E = mgh
Antworten
- True
- False
Frage 5
Frage
When you take a lift from the ground floor to the first floor, what type of energy have you gained?
Antworten
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Kinetic
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Potential
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Thermal
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Nuclear
Frage 6
Frage
I Joule is equal to which of the following?
Antworten
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1 N/m
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1 N m
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1 m/N
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1 N/s
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1 m s
Frage 7
Frage
What energy conversion takes place in a standard filament bulb?
Antworten
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Light --> electrical --> heat
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Heat --> kinetic --> light
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Electrical --> heat --> light
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Potential --> light
Frage 8
Frage
What energy conversion takes place in muscle cells?
Antworten
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Potential --> kinetic
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Kinetic --> chemical
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Chemical --> potential
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Chemical --> kinetic
Frage 9
Frage
What is the formula for power?
Antworten
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Work/ time
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Work x time
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Work x distance
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Work/ speed
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