7215372
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Quiz von Charles Rayner, aktualisiert more than 1 year ago
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Erstellt von Charles Rayner
vor fast 10 Jahre
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Frage 1
Frage
The International System of Units (SI) has _________ standard units.
Antworten
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6
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7
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4
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5
Frage 2
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Select the list which contains only SI basic units.
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kilogram, Newton, second, candela
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kilogram, Kelvin, meter, second
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liter, meter, second, watt
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joule, Kelvin, kilogram, watt
Frage 3
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For an equation to be true, both sides of an equation are equal in:
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units
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magnitude (numerical value)
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dimensions
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all of these
Frage 4
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For motion to occur there must be _________
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a change in speed
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a change in velocity
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a change in position
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all of these
Frage 5
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The magnitude of a displacement, compared with that of a total distance traveled, is
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less than or equal to it
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always equal to it
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greater than or equal to it
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none of these; the two cannot be compared
Frage 6
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The rate at which an object's velocity changes with time is called its
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speed
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momentum
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motion
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acceleration
Frage 7
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A weight lifter can bench 111 kg. How many milligrams (mg) is this?
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1.11 x 10^8 mg
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1.11 x 10^9 mg
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1.11 x 10^7 mg
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1.11 x 10^6 mg
Frage 8
Frage
An airplane increases its speed at the average rate of 15 m/s^2. How much time does it take to increase its speed from 100 m/s to 160 m/s?
Antworten
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4.0 s
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0.25 s
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17 s
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0.058 s
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