Study Guide 1st 6wks

The graph shows average monthly temperatures in Vancouver and Winnipeg, Canada. Which is the BEST interpretation of the data in the graph?

• Temperatures in Winnipeg fluctuate unpredictably.

• Temperatures in Vancouver stay constant throughout the year.

• Summers in Winnipeg have much higher temperatures than summers in Vancouver.

• The annual range of temperatures for Winnipeg has greater variation than the annual range for Vancouver.

What is the lowest significant figures that is found on the graph?

• 1

• 2

• 3

• 4

If the same acceleration were maintained over time, what velocity would the ball have relative to the surface it traveled on after 15 s? ______ m/s

• 7.5

• 3.0

• 15.0

• 1.5

A meteor moves into Earth's atmosphere at a speed of 35.00 km/s. It is slowed by friction with Earth's atmosphere by 0.02 km/s before it reaches Earth's surface. What is the final speed of the meteor?

• 34.98 km/s

• 35.02 km/s

• 34.00 km/s

• 33.98 km/s

A train travels at a rate of 13 meters per second (m/s). Over the next 60 seconds, the speed of the train increases to 22 m/s. What is the average rate of acceleration of the train? Enter the answer as a decimal number with two significant figures.

• 0.15

• 0.09

• 0.45

• 0.30

Margaret is running a full lap around a circular track. She is facing north when she starts. What direction will she be facing after she has completed half of a lap?

• north

• south

• east

• west

A train travels at a rate of 13 meters per second (m/s). Over the next 60 seconds, the speed of the train increases to 22 m/s. What is the average rate of acceleration of the train?

• 0.15 m/s²

• 0.21 m/s²

• 0.36 m/s²

• 0.58 m/s²

The motion of a toy car is shown in the graph below. In which section of the graph is the car moving away from its starting point?

• W

• X

• Y

• Z

Which calculation is used to determine acceleration?

• divide change in velocity by change in time

• multiply average velocity by change in time

• divide average velocity by mass

• multiply change in velocity by distance traveled

A bicycle is traveling at 3 meters per second (m/s). The rider applies the brakes and stops the bicycle in 3 seconds. What is the average rate of acceleration of the bicycle during this time?

• -1 m/s²

• -6 m/s²

• 3 m/s²

• 9 m/s²