Motion

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

If Bj is walking 3 m/s to the north and Lauren is walking 3 m/s to the west, then which of the following is true

• They have the same speed and different velocities
• They have the same velocity and different speeds
• They have the same speed and velocity
• They have different speeds and different velocities

A man drives south for 100 km over the course of 20 hours. Find his velocity
d=100 km
t= 20 h

• 4 km/h
• 4 km/h to the south
• 5 km/h
• 5 km/h to the south

A car goes from 0 m/s to 60 m/s in a period of 5 seconds find its acceleration.

• 10 m/s^2
• 12 m/s
• 12 m/s^2
• 11 m/s

Tags

NGSS.HS-PS2-1

If a train travels 30 km/h north then turns around and travels 27 km/h back south, how far is the train from its original location?

• 1 km
• 3 km
• 57 km
• 4 km

A train slows from 20 m/s to 10 m/s over a time period of 5 seconds. Find the acceleration

• 2 m/s
• 2 m/s^2
• -2 m/s
• -2 m/s^2

Tags

NGSS.HS-PS2-1

If a train slows down what type of acceleration does it have

• positive
• negative
• none

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5