PS Midterm Review

Covert 67 km to m

• 60000 m
• 6700 m
• 70000 m
• 67000 m

Convert 27^oC to ^oF

• 75°F
• 90°F
• 68°F
• 80.6°F

What is 45,310,000,000 expressed in scientific notation?

• 45.31 x 10⁸

• 4.531 x 10¹⁰

• 4.53 x 10⁹

• 4.5310 x 10¹¹

If you drive your car from TCHS 5.2 miles to the McDonald's in Reidsville, and then come back to TCHS for practice your ​ (a)   is greater than your ​ (b)   .

• distance
• displacement

How long will it take an object traveling at 12 m/s to reach a distance of 96 meters?

• 12 seconds
• 10 seconds
• 6 seconds
• 8 seconds

Which time interval has the greatest speed?

• 0-5 min

• 5-10 min

• 10-15 min

• 15-20 min

A group of bike riders took a 3 hour trip. During the first hour, they traveled a total of 25 km, but during the last two hours they traveled only 30 km. What was the group’s average speed for the entire trip?

• 18.33 km/h
• 25 km/h
• 20 km/h
• 15 km/h

A car travels north for 115 km in 3 hr. What is the car’s velocity?

• 38 m/s

• 38 m/s N

• 38 km/hr N

• 38 km/hr

Find the acceleration of a car that goes from 12 m/s to 55 m/s in 10.0 s.

• 2.0 m/s²
• 6.5 m/s²
• 4.3 m/s²
• 3.2 m/s²

Match the motion of the people at each point on this velocity vs. time graph.

• has negative acceleration

• A

• has positive acceleration

• B

• is stopped

• C

• has zero acceleration

• D