Speed Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

Speed = ?

Average speed = ?

A

Speed (m/s) = distance (m) / time ( s )

Average speed = total distance (m) / total time ( s )

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the difference between speed + velocity

A

Velocity has direction ( speed with direction )

Speed is just a value

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Definition of a scalar

A

Just a value

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Definition of a vector

A

Value with direction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Is velocity a scalar or a vector

A

Vector

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Is speed a scalar or a vector

A

Scalar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Name 2 other examples of a scalar

A

Distance

Energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Name 3 other examples of a vector

A

Force
Acceleration
Displacement

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Definition of acceleration

A

Defined as the change in velocity

Therefore occurs if : 1. speed changes
2. direction changes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

How do you calculate speed from a distance time graph?

A

The vertical divided by the horizontal gradient

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

How can a vector be represented

A

As an Arrow

How well did you know this?
1
Not at all
2
3
4
5
Perfectly