click below
click below
Normal Size Small Size show me how
Physics
Equations for tests
Term | Definition |
---|---|
Velocity | d/t |
Angular Velocity and equality | θ/t wr |
Acceleration | v/t |
Angular acceleration and equality | w/t αr |
distance & acceleration | 1/2 at^2 |
Force of spring | -kx |
potential of spring | 1/2 kx^2 |
2 equations for centripetal acceleration | v^2/r w^2r |
Circular force | mv^2/r |
electric force | kq1q2/r^2 |
2 equations for impulse | Ft p |
2 equations for gravitational potential energy | mgh -GmM/r |
3 equations for work | Fd U=mghf-mghi K=1/2mv^2f-1/2mv^2i |
2 equations for friction | umg uN ma=umg |
2 equations for angular momentum | mvr Ɪw |
Acceleration for gravity down a slope | gsinθ N=gcosθ |
inertia | mr^2 |
conservation of energy | Ui+Ki=Uf+Kf+W (written out) |
conservation of momentum elastic | m1v1i+m2v2i=m1v1f=m2v2f |
conservation of momentum inelastic | m1v1+m2v2=(m1+m2)vf |
2 equations for angular momentum | mviri=mvfrf Ɪiwi=Ɪfwf |
Velocity slope | a |
Force area | w |
Energy slope | P |
Force slope | k (constant) |
Force time area | Impulse |