Linear motion Quiz

What is the difference between distance and displacement?

• Distance is a scalar quantity and displacement is a vector quantity.

• Distance is a vector quantity and displacement is a scalar quantity.

• Distance and displacement are both scalar quantities.

• Distance and displacement are both vector quantities.

Suppose that John lives on a square block that is 180 yards per side, and in the evenings, he walks with his dog around the block for a little exercise. If John walks once around the block, what distance does he travel?

• 180 yards

• 360 yards

• 540 yards

• 720 yards

Joanna's house is 8000 feet due west of her school. If her house is assigned the position of zero and her school is assigned the position of +8000, what would be Joanna's position if she walked 100 feet west of her house?

• -100

• 0

• 7900

• 8100

On a one-day vacation, Jane traveled 340 miles in 8.0 hours. What was her average speed?

• 42.5 miles per hour

• 45 miles per hour

• 40 miles per hour

• 50 miles per hour

An object on a number line moved from x = 12 m to x = 124 m and moved back to x = 98 m. The time interval for all the motion was 10 s. What is the total distance traveled by the object?

• 110 m

• 112 m

• 124 m

• 138 m

What was the average velocity of the object?

• 8.6 m/s

• 13.8 m/s

• 12.6 m/s

• 138 m/s

An object on a number line moved from x = 15 cm to x = 165 cm and then moved back to x = 25 cm, all in a time of 100 seconds. What was the average speed of the object?

• 1.5 cm/s

• 2.7cm/s

• 3.5 cm/s

• 4.5 cm/s

What was the average velocity of the object?

• .10 m/s

• .15 m/s

• 20 m/s

• 25 m/s

Sarah drove 150 miles in 3 hours. What was her average speed?

• 45 miles per hour

• 50 miles per hour

• 55 miles per hour

• 60 miles per hour

Tom jogs around a circular track with a radius of 50 meters. If he completes one full lap, what distance does he cover?

• 100 meters

• 200 meters

• 314 meters

• 400 meters