Answer:
I will give the answer briefly if u require u can elongate it
Explanation:
i)The position of the owner should be chosen as the reference point as the dog is moving its position with respect to the owner who is stationary
ii)In the first 3 seconds the dog was 10 m away from his owner and he didn't change his position throughtout the 3 seconds
iii)The dog was in motion in the 4th and 5th second. According to the table,the dog remained at a distance of 10 m from his owner for the first three seconds and then in the 4th and 5th second he was at a distance of 30 and 50 m respectively away from his owner