SPS8 Motion

A car travels 10 miles East in 30 minutes. What is its velocity in miles per hour?

• 20 miles per hour East

• 3 miles per minute East

• 0.333 miles per hour East

• + or - 20 miles per hour depending on direction

Shannon drove her car 140 miles east at a rate of 70 miles per hour. How long did she travel?

• 1 hour

• 2 hours

• 20 hours

• 20 minutes

What is the velocity in meters per second of a runner who runs exactly 110 m toward the beach in 72 seconds.

• 0.654 m/s toward the beach

• 1.53 m/s toward the beach

• 15.3 m/s toward the beach

• 7920 m/s toward the beach

Suppose a rollerblade racer finished a 132 meter race in 18 seconds. What is the average speed of the rollerblade racer?

• 0.136 m/s

• 2.376 m/s

• 7.33 m/s

• 2376 m/s

A horse began running due east and covered 25 km in 4.0 hr. What is the average velocity of the horse?

• 0.16 km/hr due east

• 6.25 km/hr due east

• 16 km/hr due east

• 100 km/hr due east

Diego kicks a soccer ball from the end line. His fellow students time and mark the soccer ball as it moves down the field. The graph represents the ball's progress.

Based on the graph, during what time is the soccer ball not moving?

• from 0 to 1.5 seconds

• from 3.0 to 4.5 seconds

• from 4.5 to 5.0 seconds

• from 1.5 to 3.0 seconds

Tags

NGSS.MS-PS3-1

John and Caroline go out for a drive one day. This graph represents the distance they traveled over time.

During what part of their drive are they not moving?

• From 0 to 0.75 hours

• From 1.25 to 2.0 hours

• From 0.75 to 1.25 hours

• They are moving the entire time

Tags

NGSS.MS-PS3-1

The graph represents the distance a car travels over time while on the highway. Which statement about the car's trip is accurate?

• The car does not move over time

• The car travels at a constant velocity.

• he car's velocity increases constantly over time.

• The car's velocity decreases constantly over time.

At 25°C, sound can travel 100 meters across a football field in 0.29 seconds. Determine the velocity of these sound waves in the direction they travel across the field.

• 0.0029 ms

• 29 ms

• 345 m

• 34,500 ms

Tags

NGSS.MS-PS4-1

Which BEST describes the difference between speed and velocity?

• Velocity is instantaneous

• Speed is a vector quantity.

• Speed includes rate of change and direction.

• Velocity includes rate of change and direction.