6.1.1.2 Changes in Energy Flashcards
1
Q
What is the equation for kinetic energy?
A
- kinetic energy = 0.5 x mass x speed²
2
Q
What is kinetic energy measured in?
A
- joules
- J
3
Q
What is mass measured in?
A
- kilograms
- kg
4
Q
What is speed measured in?
A
- metres per second
- m/s
5
Q
What is the equation for elastic potential energy?
A
- elastic potential energy = 0.5 x spring constant x extension²
6
Q
What is elastic potential energy measured in?
A
- joules
- J
7
Q
What is spring constant measured in?
A
- newtons per metre
- N/m
8
Q
What is extension measured in?
A
- metres
- m
9
Q
What is the equation for gravitational potential energy?
A
- g.p.e = mass x gravitational field strength x height
10
Q
What is gravitational potential energy measured in?
A
- joules
- J
11
Q
What is gravitational field strength measured in?
A
- newtons per kilogram
- N/kg
12
Q
What is height measured in?
A
- metres
- m
