Select the list which contains only SI basic units.

kilogram, Kelvin, meter, second

kilogram, Newton, second, candela

The magnitude of a displacement, compared with that of a total distance traveled, is

none of these; the two cannot be compared

Test

Charles Rayner 8 preguntas

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1The International System of Units (SI) has _________ standard units.
1. A6
2. B7
3. C4
4. D5
2Select the list which contains only SI basic units.
1. Akilogram, Newton, second, candela
2. Bkilogram, Kelvin, meter, second
3. Cliter, meter, second, watt
4. Djoule, Kelvin, kilogram, watt
3For an equation to be true, both sides of an equation are equal in:
1. Aunits
2. Bmagnitude (numerical value)
3. Cdimensions
4. Dall of these
4For motion to occur there must be _________
1. Aa change in speed
2. Ba change in velocity
3. Ca change in position
4. Dall of these
5The magnitude of a displacement, compared with that of a total distance traveled, is
1. Aless than or equal to it
2. Balways equal to it
3. Cgreater than or equal to it
4. Dnone of these; the two cannot be compared
6The rate at which an object's velocity changes with time is called its
1. Aspeed
2. Bmomentum
3. Cmotion
4. Dacceleration
7A weight lifter can bench 111 kg. How many milligrams (mg) is this?
1. A1.11 x 10^8 mg
2. B1.11 x 10^9 mg
3. C1.11 x 10^7 mg
4. D1.11 x 10^6 mg
8An 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?
1. A4.0 s
2. B0.25 s
3. C17 s
4. D0.058 s