Average and Instantaneous Velocity

A bicyclist covers 60 miles between 2 pm and 6 pm. What was his average speed?

• 15 mph

• 30 mph

• 40 mph

• 60 mph

• None of the above

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

The displacement of a particle moving in a straight line is given by the equation of motion f(t) = t³ - 4t +3. Find the average velocity of the particle over the interval [0, 4].

• 3

• 12

• 18

• 24

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

The rate of change of the altitude of a hot air balloon rising from the ground is given by y(t) = t³ - 3t² +3t for [0, 10]. What is the average rate of change in altitude of the balloon over the time interval [0, 10]?

• 56

• 73

• 85

• 94

• 102

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

A Honda takes ten minutes to go from milepost 71 to milepost 81. A Toyota takes fifteen minutes to go from milepost 65 to milepost 80. Which car has the higher average speed?

• The Honda.

• The Toyota.

• The average speeds are the same.

• We need to know the accelerations to answer this.

• Not enough information.

Tags

CCSS.8.EE.C.7B

• 1

• 2

• 3

• 4

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

• 0.25

• 0.5

• 0

• -0.5

Tags

CCSS.8.EE.B.5

• 1/5

• 3/5

• 1/10

• 3/10

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

• 1/3

• 2/3

• 3/3

• 4/3

Tags

CCSS.8.EE.B.5