S1 Unit 1 horizontal motion CV

What is distance?

• straight line distance between start and end point

• total ground covered

• the movement of an object per second

• the final location of an object

What is the difference between a scalar and a vector?

• A scalar is just the value while a vector has direction.
• Scalar has direction and vectors are just numbers
• They are both the same
• yes

Tags

NGSS.MS-PS3-1

What does the slope of a position versus time graph give you?

• position changes
• velocity
• acceleration
• speed

Consider the position vs. time graph below for cyclists A and B.

Do the cyclists start at the same point?

• Yes

• No

Which cyclist is travelling faster at t = 3s?

• A

• B

What is happening at the intersection of lines A and B?

• The cyclists stop

• The cyclists speeds are equal

• The cyclists are at the same position at the same time.

Tags

NGSS.MS-PS3-1

What is the velocity of the object that created the position vs. time graph?

• 10 m/s

• 8.3 cm/s

• 8.3 m/s

• 60 m

In this position versus time graph, describe the velocity

• Positive constant velocity

• Negative constant velocity

• Zero

• Positive changing velocity

In this position versus time graph, describe the velocity

• Positive constant velocity

• Negative constant velocity

• Zero

• decreasing velocity

Velocity is both ____ and _____. 

• speed , direction 
• direction, mass
• volume, density 
• direction, magnitude