Acceleration Flashcards

(6 cards)

1
Q

define acceleration

A

The rate at which velocity changes

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

what is acceleration measured in?

A

m/s^2

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

What is one equation for calculating acceleration?

A

a= change in velocity (v-u) / time

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

What is another way to calculate acceleration?

A

2as= v^2-u^2

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

What is always the acceleration of an object that is being dropped from a height on earth?

A

9.8 m/s^2

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

Why can the value for acceleration be positive or negative?

A

it is a vector quantity so it has both direction and magnitude

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