Physics - definitions + formula Flashcards

(11 cards)

1
Q

formula for kinetic energy

A

E = 1/2mv2

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

formula for gravitational potential energy

A

E =mgh

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

what is specific heat capacity

A

the amount of energy needed to raise he temperature of a substance by 1 degrees celcius

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

formula for power using energy transferred

A

p = e/t

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

formula for power using work done

A

p = w/t

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

what is conduction

A

the process where vibrating particles transfer energy to neighbouring particles

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

what is convection

A

where energetic particles move away from hotter yo cooler regions

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

what is the formula for efficiency

A

efficiency = useful power output over total power input

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

what is a renewable reasource

A

resources that will run out one day
do damage to the environment

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

what is a renewable reasource

A

energy resources that will never run out
don’t do as much damage to the environment

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