Constant Velocity

Which of the following could be the equation for this line?

• y = -5/7x - 3

• y = 7/5x - 3

• y = -7/5x - 3

• y = 5/7x - 3

How fast is this object going at 1 second?

• 20 cm/s

• 30 cm/s

• -40 cm/s

Tags

NGSS.MS-PS3-1

When is this object stopped?

• 1 second

• 3 seconds

• 4 seconds

• 6 seconds

Tags

NGSS.MS-PS3-1

When does this object change direction?

• 1 second

• 2 seconds

• 3 seconds

• 4 seconds

Tags

NGSS.MS-PS3-1

What is the total displacement?

• +1m

• +3m

• +5m

• -1m

Find the velocity from the given graph.

• 2 m/s

• 100 m/s

• -2m/s

Tags

NGSS.MS-PS3-1

What does this motion map indicate?

• Forward at a constant velocity

• Backward at a constant velocity

• Forward getting faster

• Backward getting faster

• Forward slowing down then backwards getting faster.

Tags

NGSS.MS-PS3-5

At what speed would a car have to move in order to travel 20 kilometers in 2 hours.

• 5 km/hr

• 10 km/hr

• 20 km/hr

• 40 km/hr

What is the starting point of the object?

• 2 m

• 4 m

• 10 m

• 20 m

Tags

NGSS.MS-PS3-1

To determine how fast an object is moving on a Position-time graph I should...

• Look at the vertical axis at that time

• Look at the steepness of the line (slope)

• Look at if the slope is positive or negative

• Look at the direction of the curvature, if any