Equation | Answer | % Correct |
---|---|---|
Change in velocity/time taken | Acceleration | 69%
|
Mass x height x gravitational field strength | Gravitational potential | 66%
|
0.5 x mass x velocity^2 | Kinetic energy | 66%
|
Mass/volume | Density | 63%
|
Mass x velocity | Momentum | 54%
|
Frequency x wavelength | Wave speed | 54%
|
Mass x gravitational field strength | Weight | 51%
|
Useful / total (x100) | Efficiency | 49%
|
1/frequency | Period | 43%
|
Force x distance (along the line of the force) | Work done | 43%
|
0.5 x constant x extension^2 | Elastic potential | 40%
|
Potential difference x current | Power | 40%
|
Current^2 x resistance | Power | 37%
|
Image height/object height | Magnification | 31%
|
Current x resistance | Potential difference | 31%
|
Work done/time | Power | 31%
|
Mass x acceleration | Resultant force | 20%
|
Speed x time | Distance travelled | 17%
|
Change in momentum/time taken | Force | 17%
|
Current x time | Charge flow | 14%
|
Power x time | Energy transferred | 14%
|
Force x distance (normal to direction of force) | Moment of a force | 9%
|
Height of a column x density of liquid x gravitational field strength | Pressure due to a column of liquid | 9%
|
(Final velocity)^2 - (initial velocity)^2 | 2 x acceleration x distance | 6%
|
Mass x specific latent heat capacity x temperature change | Change in thermal energy | 6%
|
(for gases) pressure x volume | Constant | 6%
|
Charge flow x current | Energy transferred | 6%
|
Spring constant x extension | Force applied to a spring | 6%
|
Magnetic flux density x current x Length x sin(angle) | Force on a conductor | 3%
|
Potential difference across primary coil/potential difference across secondary coil | Number of turns in a primary coil/number of turns in a secondary coil | 3%
|
Potential difference across primary coil x current in primary coil | Potential difference across secondary coil x current in secondary coil | 3%
|
Mass x specific latent heat | Thermal energy for a change in state | 3%
|
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