What is a vector quantity?

A quantity with both magnitude and direction

Quiz

Physics Revision

teya.cossins 18 perguntas

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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?
1. Akm/hr
2. Bspeed
2The dimension for time is [T]
1. AVerdadeiro
2. BFalso
3The dimension for velocity is [M][L]/[T]
1. AVerdadeiro
2. BFalso
4What is a vector quantity?
1. AA quantity with both magnitude and direction
2. Bonly a magnitude
3. COnly a direction
5A scalar quantity is specified completely by numbers
1. AVerdadeiro
2. BFalso
6Name 3 scalar quantities
1. ATime, mass, temperature
2. BTime, velocity, displacement
3. Cdistance, mass, force
7The SI unit for length is the centimeter (cm)
1. AVerdadeiro
2. BFalso
8The SI unit for time is the second
1. AVerdadeiro
2. BFalso
9The SI unit for mass is grams (g)
1. AVerdadeiro
2. BFalso
10How many significant figures does the number 0.000000075 have?
1. A9
2. B2
3. C0