Which quantity is a vector?
Answer and explanation
Correct answer: C. Velocity
A vector has both size and direction; velocity is speed in a stated direction.
Answer: Velocity.
Why not the others: Speed: speed has size only. Distance: distance has size only. Mass: mass has size only.
Answer: Velocity.
Why not the others: Speed: speed has size only. Distance: distance has size only. Mass: mass has size only.
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More Force and Motion questions
- A car moving at 12 m/s accelerates uniformly at 4 m/s for 8 s. What is its final speed?
- A car moving at 3 m/s accelerates uniformly at 3 m/s for 6 s. What is its final speed?
- A car moving at 8 m/s accelerates uniformly at 6 m/s for 6 s. What is its final speed?
- A car moving at 2 m/s accelerates uniformly at 6 m/s for 3 s. What is its final speed?
- A car moving at 4 m/s accelerates uniformly at 2 m/s for 10 s. What is its final speed?
- A cyclist starts from rest and accelerates uniformly at 3 m/s. How far does the cyclist travel in 9 s?