Q 56

A polar bear starts at the North Pole.It travels 1.0 km south,then 1.0 km east,and then 1.0 km north to return to its starting point.This trip takes 45 min.What was the bear's average velocity?
A)0.00 km/h
B)0.067 km/h
C)4.0 km/h
D)5.3 km/h

Q 57

You are driving home on a weekend from school at 55 mi/h for 110 miles.It then starts to snow and you slow to 35 mi/h.You arrive home after driving 4 hours and 15 minutes.How far is your hometown from school?
A)180 mi
B)190 mi
C)200 mi
D)210 mi

Q 58

A motorist travels 160 km at 80 km/h and 160 km at 100 km/h.What is the average speed of the motorist for this trip?
A)84 km/h
B)89 km/h
C)90 km/h
D)91 km/h