U2 Describing Motion

Calculate: A train traveling at a constant speed covers a distance of 960 meters in 30 s. What is the train’s speed?

• 40 m/s
• 32 m/s
• 28 m/s
• 24 m/s

Tags

NGSS.MS-PS3-1

Find the average speed in kilometers per hour of a race car that travels 260 km in 2 hours.

(a)  

• s = 130 km/h
• 130
• d = 130 km/h

Describe a car’s instantaneous speed as it stops for a red light.

• The car's instantaneous speed decreases to zero.
• The car's instantaneous speed fluctuates randomly
• The car's instantaneous speed remains constant
• The car's instantaneous speed increases rapidly

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Explain why the slopes are different for each swimmer.

Tags

NGSS.MS-PS3-1

The vertical axis is called the y-axis. What is the horizontal axis called?

Tags

NGSS.MS-PS3-1

Use the data below to make a distance-time graph. Be sure to include labels and scales.

Tags

NGSS.MS-PS3-1

What are the appropriate units to describe acceleration?

• m/s
• m/s²
• cm
• there are no units associated with acceleration

____ is defined as the change in the position of an object an object per unit of time.

• At Rest

• The Origin

• No Motion

• Motion

Tags

NGSS.MS-PS2-2

Which of the following correctly describes the

object's motion?

• The object is moving with increasing

  acceleration.

• The object is moving with constant acceleration.

• The object is moving with increasing velocity.

• The object is moving with constant velocity.

• F

• G

• H

• J

Tags

NGSS.MS-PS3-1