A hiker hikes in a straight line and maintains a constant velocity of +0.5 m/s. At time t=0.0 s, the hiker is 30 m from point A. What is the displacement from point A at 120 s?

a. 60 m
b. 90 m
c. 120 m
d. 15 m

Question

A hiker hikes in a straight line and maintains a constant velocity of +0.5 m/s. At time t=0.0 s, the hiker is 30 m from point A. What is the displacement from point A at 120 s?

a. 60 m 
b. 90 m 
c. 120 m 
d. 15 m

wolfe8 · Answer

Alright so recall that v=d/t 
When you put in d and t, you will find the displacement between t0 and t30. Remember that at t0 the hiker is already 30 m away from A.