7215372
Descrição
Quiz por Charles Rayner, atualizado more than 1 year ago
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Criado por Charles Rayner
quase 10 anos atrás
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Questão 1
Questão
The International System of Units (SI) has _________ standard units.
Responda
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6
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7
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4
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5
Questão 2
Questão
Select the list which contains only SI basic units.
Responda
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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
Questão 3
Questão
For an equation to be true, both sides of an equation are equal in:
Responda
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units
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magnitude (numerical value)
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dimensions
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all of these
Questão 4
Questão
For motion to occur there must be _________
Responda
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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
Questão 5
Questão
The magnitude of a displacement, compared with that of a total distance traveled, is
Responda
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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
Questão 6
Questão
The rate at which an object's velocity changes with time is called its
Responda
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speed
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momentum
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motion
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acceleration
Questão 7
Questão
A weight lifter can bench 111 kg. How many milligrams (mg) is this?
Responda
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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
Questão 8
Questão
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?
Responda
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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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