Level 2 and 3 Physical Science Motion

What was the speed of the object that is labeled A on the graph at 20 seconds?

• 50 m/s
• 100 m/s
• 5 m/s
• 0 m/s

Tags

NGSS.MS-PS3-1

The equation for speed

• 1/2 gravity x time
• mass x acceleration
• distance/time
• mass x gravity

Tags

NGSS.MS-PS3-1

The word for how far an object travels

• relativity
• velocity
• speed
• distance

At 4 seconds what is the acceleration of this car?

• 10 m/s squared
• 1 m/s squared
• 2 m/s squared
• 3 m/s squared

Tags

NGSS.MS-PS2-2

Acceleration is the rate at which ______________ changes over time.

• mass
• time
• distance
• velocity

speed is a description of ________ something is moving, and velocity is how fast and in what _________ it moves.

• how fast, direction
• direction, how fast

What does the speedometer of a car read?

• average speed
• average velocity
• instantaneous speed
• acceleration

Tags

NGSS.MS-PS3-1

If the odometer reads 0 at the beginning and 50 a half an hour later what is the average speed?

• 35 km/h
• 70 km/h
• 100 km/h
• 10 km/h

What is the acceleration of a car that increases its speed from an initial speed of 50 m/s to a final speed of 90 m/s in 20 seconds?

• 3 m/s2
• 10 m/s2
• 2 m/s2
• 30 m/s2

Tags

NGSS.MS-PS2-2

Calculate your average walking speed when you step 12 meters in 0.5 seconds.

• 3 m/s
• 6 m/s
• 30 m/s
• 12 m/s
• 24 m/s