Physics Quiz

What is the definition of average speed?

• Total length of path traveled

• Change in velocity with respect to time

• Speed with direction

• Distance something has traveled divided by total time spent traveling

Which term describes the speed of an object at a specific instant?

• Average Speed

• Instantaneous Speed

• Velocity

• Displacement

What is the unit of speed?

• Miles

• Kilometers

• Meters per second

• Hours

What is the formula to calculate speed?

(a)  

Grover drove 27 miles in 3 hours. What was his speed?

• 3 mph

• 6 mph

• 9 mph

• 12 mph

What is the main difference between speed and velocity?

• Speed is a scalar quantity, while velocity is a vector quantity.

• Speed includes direction, while velocity does not.

• Speed is measured in meters per second, while velocity is measured in miles per hour.

• Speed is always constant, while velocity can change.

A golfer has been averaging hitting a golf ball with speeds of 18 yds/s. If the golf ball was in the air for 7 seconds, how far did it probably travel?

• 126 yards

• 100 yards

• 140 yards

• 90 yards

Super Grover flew from Los Angeles to Pike Road, a total distance of about 2,091 miles. He was in flight for about 28 hours. What was his velocity?

• About 75 mph EAST

• About 60 mph WEST

• About 80 mph NORTH

• About 70 mph SOUTH

Baby Yoda traveled at a constant speed of 13 mph for a total of 4 hours. What was the total distance he traveled?

• 52 miles

• 40 miles

• 60 miles

• 48 miles

You want to go to Miami for Spring Break, and it is approximately 675 miles away from Pike Road. The average speed on the highways you must take is 70 mph. About how long would it take you to get there?

• About 9.6 hours

• About 8.5 hours

• About 10 hours

• About 7.5 hours