A whale swims due east for a distance of 661 km turns around

A whale swims due east for a distance of 6.61 km, turns aroundand goes due west for 1.20 km, and finally turns around again andheads 3.44 km due east. (a) What is the totaldistance traveled by the whale? (b) What is themagnitude of the displacement of the whale?

(a)

Number

Units

kmkm/hkm/h^2m/s^2daysyears

Solution

(a) Total distance traveled = 6.61km + 1.20km + 3.44km = 11.25km (b) Total displacement is S = +6.61km - 1.20km + 3.44km = 8.85km alongeast