Answer:

Step-by-step explanation:
<u>Formula:</u> 




Answer:
60%
Step-by-step explanation:
Answer:
A) b
B) c
Step-by-step explanation:
A) a large distance is covered in a short period of time but then the speed decreases
B) the person travels some distance but then returns to their starting point for a while(their home) and then starts on their journey again
The frequency is 1 /period = 1 / [ 2 pi ]