Chap 3/4 Flashcards

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

Vector

A

Asks for how far something is and how to get there = displacement
Ex: 3 miles East

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

Displacement (chapter 3/4)

A

Straight line distance between a and b and direction = angle

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

Magnitude of displacement

A

Is just asking for the distance

Can be solved by using the Pythagorean theorem

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

Scalar

A

A number for how far something is or how much it weighs, etc
Ex: 500 grams in a water bottle
Distance

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

If you found the magnitude of displacement, how do you find just the displacement

A

Well since you have the Amt of straight line distance
You need to find the direction
You can do that by using the calculator
2nd tan

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

Velocity
Associated with
Vector or Scalar? Why?

A

Velocity - how fast and which way
ex: 65 mph, south
Associated with displacement
Vector because it’s not only just a number but also has direction

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

Speed
Associated with
Scalar or Vector, why?

A

How fast ex: 55 mph
Associated with distance
Scalar because it’s just a number

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

Acceleration:

A

Change in speed

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

+ & -

A

How we distinguish brown speeding up and speeding down
+ = up
- = down

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

Acceleration unit

What does it mean

A

m/s^2

Meters over seconds squared

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