Section 2.1 Quiz

If you travel 1.7 km north from your house at noon, and at 6:00 PM you travel 5.4 km south, what is your displacement?

• 3.7 km north
• 3.7 km south
• 7.1 km north
• 7.1 km south

At 8:00 AM you leave home and walk 0.5 km to a friend's house. At 11:30 AM you return home, then travel by car to the mall, which is 10 km away, and arrive at 11:45 AM. What is the total distance traveled?

• 2.8 km/h
• 10 km
• 10.5 km
• 11 km

Average speed is found by __________.

• dividing the displacement by the total time spent
• dividing total distance traveled by the total time
• multiplying the displacement by the total time spent
• multiplying total distance traveled by the total time

Any change of distance over time is called ____________.

• acceleration
• rate
• speed
• velocity

The distance and direction between the final position and the starting position is the __________.

• acceleration
• differential
• displacement
• velocity

If you traveled 90 km in 0.50 hours, what was your average speed? numbers only

The distance between the two cities is 200 miles. A bus takes 4 hours to cover this distance. Calculate the speed of the bus? numbers only

In a competition, an athlete threw a flying disk 139 meters through the air. While in flight, the disk traveled at an average speed of 13.0 m/s. How long did the disk remain in the air?

You arrive in my class 45 seconds after leaving math which is 90 meters away. How fast did you travel?

If you shout into the Grand Canyon, your voice travels at the speed of sound (340 m/s) to the bottom of the canyon and back, and you hear an echo. How deep is the Grand Canyon at a spot where you can hear your echo 5.2 seconds after you shout?