Straight Line Motion

What is the average speed if a car travels 150 k in 3 hours?

• 450 km/hr

• 150 km/hr

• 50 km/hr

• 25 km/hr

The change of position over time is called

• position
• motion
• speed
• location

The location of a place or an object is called its....

• position
• motion
• speed
• reference point

True or False:
The motion of an object can change over the course of its movement

• true
• false

Tags

NGSS.MS-PS2-2

The measure of how quickly something moves or the distance it moves in a given amount of time is called

• motion
• position
• speed
• location

Tags

NGSS.MS-PS3-1

Speed is equal to the distance divided by

• position
• time
• height
• motion

Tags

NGSS.MS-PS3-1

A wheelchair racer completes a 100 meter course in 20 seconds. What is his speed?
d= 100 m
t= 20 s

• 10 m/s
• 5 m/s
• 2 m/s
• 0 m/s

Tags

NGSS.MS-PS3-1

Carlos lives 100 meters from his friend's house. What is his average speed if he reaches his friends house in 50 seconds?
Distance= 100 m
time = 50 seconds

• 1 m/s
• 2 m/s
• 3 m/s
• 4 m/s

A soccer ball is kicked from 40 meters out. It takes 5 seconds to reach the goal. What speed was the ball traveling?
d= 40 m
t= 5 s

• 6 m/s
• 7 m/s
• 8 m/s
• 9 m/s

Tags

NGSS.MS-PS3-1

A bird flies from tree to tree. It leaves on branch and flies 100 meters to another branch. It takes him 10 seconds to get there. What is his speed?
d= 100 meters
t= 10 seconds

• 1 m/s
• 10 m/s
• 100 m/s
• 1000 m/s