Question
Physics Question on The speed of a travelling wave
A runner starts from O and goes to O following path OQRO in 1 hr. What is the net displacement and average speed?
A
0, 0 km/hr
B
0, 3.57 km/hr
C
0, 2.57 km/hr
D
0, 1 km/hr
Answer
0, 3.57 km/hr
Explanation
Solution
The correct option is (B): 0, 3.57 km/hr.