Equations Flashcards
1
Q
Distance Travelled=
A
Speed x Time
2
Q
Acceleration=
A
Change in velocity
—————————
Time taken
3
Q
Force=
A
Mass x Acceleration
4
Q
Weight=
A
Mass x Gravitational field strength
5
Q
Efficiency=
A
(useful energy transferred)
————————————
(total energy supplied)
6
Q
Wave Speed=
A
Frequency x Wavelength
7
Q
Wave speed 2=
A
Distance (divide) Time
8
Q
Density=
A
Mass (divide) Volume
9
Q
Work Done=
A
Force x Distance moved in direction of force
10
Q
Change in gravitational potential energy=
A
Mass x Gravitational field strength x Change in vertical height
11
Q
Kinetic energy=
A
1/2 x Mass x (speed)
12
Q
Power=
A
Work done (divide) Time taken
13
Q
Energy transferred=
A
Charge moved x Potential difference
14
Q
Charge=
A
Current x Time
15
Q
Potential difference=
A
Current x Resistance