This is 2 hertz. You can mark out 2 full wavelengths in the second of time.
The answer is c or b u choose
Answer:
40 km/h
Explanation:
First...
Look at the formula speed is equal to the distance over time or s = d/t.
Next...
Use the formula: 240/6.0
Finally...
Solve: 40
So the answer: 40 km/h
Answer:
plasma arc
cutting
Explanation:
It is plasma arc cutting because i think it is