Test
Physics Revision
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Preguntas del test (18)
1If a person traveled a total distance of 12km over the course of 6 hours, what would the units be for their average speed over the whole journey?
- Akm/hr
- Bspeed
2The dimension for time is [T]
- AVerdadero
- BFalso
3The dimension for velocity is [M][L]/[T]
- AVerdadero
- BFalso
4What is a vector quantity?
- AA quantity with both magnitude and direction
- Bonly a magnitude
- COnly a direction
5A scalar quantity is specified completely by numbers
- AVerdadero
- BFalso
6Name 3 scalar quantities
- ATime, mass, temperature
- BTime, velocity, displacement
- Cdistance, mass, force
7The SI unit for length is the centimeter (cm)
- AVerdadero
- BFalso
8The SI unit for time is the second
- AVerdadero
- BFalso
9The SI unit for mass is grams (g)
- AVerdadero
- BFalso
10How many significant figures does the number 0.000000075 have?
- A9
- B2
- C0
11What is the abbreviation for mega what is its power?
- AM, 10 to the power of 9
- BMg, 10 to the power of -6
- CM, 10 to the power of 6
12the prefix 'pico' means 10 to the power of -15
- AVerdadero
- BFalso
13prefix milli- means 10 to the -3
- AVerdadero
- BFalso
14Velocity is a base quantiy
- AVerdadero
- BFalso
15mass is a base quantity
- AVerdadero
- BFalso
16What is the formula for the density of an object?
- ADensity = volume/ mass
- BDensity = mass/ volume
- CDensity = length x mass
17What is the prefix used for 10 to the -9
- Amicro
- Bgiga
- Cnano
18What is method used to draw vector diagrams?
- ATail to tip method
- Btail to tip
Información
- Descripción
- Basic units and such in an introduction to physics
- Autor
- teya.cossins
- Idioma
- English
- Visitas
- 22
- Etiquetas
- Valoración
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