level: Speed and Velocity
Questions and Answers List
level questions: Speed and Velocity
| Question | Answer |
|---|---|
| What is a Scalar? | A Scalar is a just magnitude. Eg Speed, Time |
| What is a vector? | A Vector is a magntiude and direction. Eg Velocity, Displacement |
| What is the formula for Speed? | Distance [m] --[Divide]-- Time [s] |
| Rearrange the formula for Distance | Distance [m]= Speed [m/s] x Time [s] |
| Example of the Speed equation. | A car goes 300 cenitmeters in 1 minute. Converge the units= 300 cm = 3m. 1min= 60s 3 ---- = 0.05 60 |
| What is Displacement? | This measures Distance along with Direction. However it also measures from your FIRST point of measurement Eg. Dan walks 1 km left and then 1 km right. Measure the Displacement. Ans=0 started at home, ended at home |