問題一覧
1
Formula for Resultant Force
mass x acceleration
2
Formula for Period
1 / freq
3
Formula for Momentum
mass x velocity
4
Formula for Spring Constant
force / extension
5
Formula for Current
power / potential difference
6
Formula for Pressure
force / area
7
Formula for Elastic Potential Energy
0.5 x spring constant x (extension)^2
8
Formula for kinetic energy
0.5 x mass x (speed)^2
9
Formula for P.D.
current x resistance
10
Formula for Energy Transferred (charge flow and p.d.)
charge flow x potential difference
11
Formula for Power (energy and time)
energy x time
12
Formula for Weight
mass x gfs
13
Formula for Energy Transferred (power and time)
power x time
14
Formula for Density
mass / volume
15
Formula for Acceleration
change in velocity / time taken
16
Formula for Charge Flow
current x time
17
Formula for Work Done (Force and Dist)
force x distance
18
Formula for Wave Speed
freq x wavelength
19
Formula for Power (Current and Resistance
I^2R
20
Formula for Work Done (power and time)
power x time
21
Formula for Change in Thermal Energy
mass x shc x change in temp
22
Formula for GPE
mass x gfs x height