Fucking equations

Question 1

Kinetic Energy

Answer 1

1/2mv*2

Question 2

Work done by a constant force

Answer 2

w=fdcosø

Question 3

Hooke’s law

Answer 3

F=-kx

Question 4

Work done by a spring force

Answer 4

Ws=1/2kx*2

Question 5

Gravitational potential energy

Answer 5

mgh or -GMm/r

Question 6

Elastic potential energy

Answer 6

1/2kx*2

Question 7

Impulse

Answer 7

J=Favg∆t

Question 8

Inelastic collisions

Answer 8

m1v1i+m2v2i=m1v1f+m2v2f

Question 8

Elastic collisions

Answer 8

V1f=(m1-m2/m1+m2)V1i and V2f=(2m1/(m1+m2))V1i

Question 9

Kinematic equations

Answer 9

v=vo+at, ∆x=1/2at2+vot, v2=vo*2+2a∆x

Question 9

Period

Answer 9

(2πr)/v, (2π)/w

Question 10

Rotational Kinetic Energy

Answer 10

K=1/2Iw*2

Question 10

angular frequency

Answer 10

w=†(∆ø), w=2π/T, w=square root of k/m

Question 10

Torque

Answer 10

†=rFsinø

Question 11

Parallel axis theorem

Answer 11

I=Icom+Mr*2

Question 11

Kinetic energy for a rolling object

Answer 11

1/2Icomw2+1/2Mvcom2

Question 11

Gyroscope

Answer 11

Ω=(Mgr)/(Iw)

Question 12

Gravitational force

Answer 12

G(M1M2)/r*2

Question 12

Angular momentum

Answer 12

L=rmvsinø, L=Iw

Question 13

Gravitational acceleration

Answer 13

ag=GM/r*2

Question 13

Gravitation within a shell

Answer 13

Mins=p(4πr*3)/3

Question 14

Escape velocity

Answer 14

Square root of 2GM/r

Question 15

Law of periods

Answer 15

T2=(4π2/GM)r*3

Question 16

Simple harmonic motion

Answer 16

X=Xmcos(wt+ø)

Question 17

Period(oscillations)

Answer 17

T=2π times the square root of m/k

Question 18

Dampening constant

Answer 18

e*-bt/2m

Question 19

w’

Answer 19

Square root of (k/m)-(b2/4m2)