Formula

Question 1

Formula modules / 5

Answer 1

Foundations of physics
Forces and Motion
Electrons, waves and photons
Newtonian world and astrophysics
Particles and medical physics

Question 2

Vectors equations / 2

Answer 2

Fx = Fcos(theta)

Fy=Fsin(theta)

Question 3

Modules in Forces and motion

Answer 3

Uniformly accelerated motion/suvats
Force
Turning effects
Density
Pressure
Work, energy and power
Springs and materials

Question 4

Uniformly accelerated motion (force and motion)

Answer 4

v=u+at
s=1/2(u+v)t
s=ut+1/2at^2
v^2=u^2+2as

Question 5

Force (force and motion)

Answer 5

F=(delta p)/(delta t) =I/t

p=mv

Question 6

Turning effects (force and motion)

Answer 6

Moment = Fx
Torque = Fd

Question 7

Density (force and motion)

Answer 7

rho=m/v

Question 8

Pressure (force and motion)

Answer 8

p=F/A

p=hrhog

Question 9

Work energy and power (force and motion)

Answer 9

W=Fxcos(theta)
effeciency = (useful energy output)/(total energy output) *100%
P=W/t
P=Fv

Question 10

Springs and materials (force and motion)

Answer 10

F=kx
E=1/2Fx , E=1/2kx^2
sigma = F/A
epsilon = x/L
E=sigma/epsilon

Question 11

Name topics in mod 4 electrons waves and photons

Answer 11

Charge
Current
Work done
resisitance and resistors
Power
Internal resisitance
Potential divider
Waves
Refraction
Quantum physics

Question 12

Charge (electrons waves and photons)

Answer 12

delta q = I * delta t

Question 13

Current (electrons waves and photons)

Answer 13

I = Anev

Question 14

Work done (electrons waves and photons)

Answer 14

W= Vq, W=epsilon Q , W=VIt

Question 15

resitance and resistors (electrons waves and photons)

Answer 15

R=(rho * L)/A
R= R1 +R2 +…
1/R = 1/R1 +1/R2 +…

Question 16

Power (electrons waves and photons)

Answer 16

P= VI, P=I^2V , P=V^2/R

Question 17

Internal resitance (electrons waves and photons)

Answer 17

epsilon = I(R+r) , epsilon = V+ Ir

Question 18

Potential divider (electrons waves and photons)

Answer 18

V out = R2/(R1+R2) *V in

V1/V2=R1/R2

Question 19

Waves (electrons waves and photons)

Answer 19

v=f*lambda
f=1/T
I=P/A
Lambda = ax/D

Question 20

Refraction (electrons waves and photons)

Answer 20

n=c/v
nsin(theta) = constant
sinC = 1/n

Question 21

Quantum physics (electrons waves and photons)

Answer 21

E=hf, E=gc/lambda
Hf = phi + KEmax
lambda = h/p

Question 22

Topics in mod 5 newtonian world and astrophysics

Answer 22

Thermal physics
Ideal gases
Circular motion
oscillations
gravitational field
Astrophysics
Cosmology

Question 23

Thermal physics ( newtonian world and astrophysics)

Answer 23

E=mc*delta theta

E=mL

Question 24

Ideal gases ( newtonian world and astrophysics)

Answer 24

pV=Nkt , pV=nRT
pV=1/3N*bar(c^2)
1/2mbar(c^2)=3/2kT
E=3/2kT

Question 25

Circular motion ( newtonian world and astrophysics)

Answer 25

Omega = 2pi/T , omega = 2pi*f v = omega*r a=v^2/r , a= (omega)^2*r F=mv^2/r , F=m*omega^2*r

Question 26

Oscillations ( newtonian world and astrophysics)

Answer 26

Omega = 2pi/T , omega = 2pi*f a= -(omega)^2*x x=Acos(omega*t), x=Asin(omega*t) v= +-omega*root(A^2-x^2)

Question 27

Gravitational field ( newtonian world and astrophysics)

Answer 27

``` g=F/m F=-GMm/r^2 g=-GM/r^2 T^2 = 4pi^2/GM * r^3 Vg = -GM/r energy = -GMm/r ```

Question 28

Astrophysics ( newtonian world and astrophysics)

Answer 28

hf=delta E, hc/lambda = delta E dsin(theta) =n*lambda lambda max is proportional to 1/T L=4pi*r^2*sigma*T^4

Question 29

Cosmology ( newtonian world and astrophysics)

Answer 29

(delta lambda)/lambda ~(delta f)/f ~c/v p=1/d v=H0 *d t=H0^-1

Question 30

topics in particles and medical physics

Answer 30

``` Capacitance and capacitors electric field magnetic field electromagnetism radius of a nucleus radioactivity Einsteins mass-energy equations attenuation of X-rays ultrasound ```

Question 31

Capacitance and capacitors (particles and medical physics)

Answer 31

``` C=Q/V C=(epsilon0*A)/d C=4*pi*epsilon0R C=C1 +C2 ... 1/C=1/C1+1/C2 ... W=1/2QV, W=1/2 Q^2/C , W= 1/2 V^2C tau = CR x = x0e^(-t/CR) x = x0(1-e^(-t/CR)) ```

Question 32

Electric field (particles and medical physics)

Answer 32

``` E=F/Q F=Qq/(4*pi*epsilon0*r^2) E=Q/(4*pi*epsilon0*r^2) E=V/d V=Q/(4*pi*epsilon0*r) Energy=Qq/(4*pi*epsilon0*r) ```

Question 33

Magnetic field (particles and medical physics)

Answer 33

F=BILsin(theta) | F=BQv

Question 34

Electromagnetism (particles and medical physics)

Answer 34

``` phi = BAcos(theta) epsilon = -(delta(Nphi)/delta t) ns/np = Vs/Vp = Ip/Is ```

Question 35

radius of a nucleus (particles and medical physics)

Answer 35

R=r0A^1/3

Question 36

Radioactivity (particles and medical physics)

Answer 36

A= -lambda*N, delta N/delta t = -lamda*N lambda*t1/2 = ln(2) A=A0*e^(-lamda*t) N=N0*e^(-lamda*t)

Question 37

Einsteins mass energy equation (particles and medical physics)

Answer 37

delta E = delta m *c^2

Question 38

attentuation of x-rays (particles and medical physics)

Answer 38

I=I0*e^(-mu*x)

Question 39

Ultrasound (particles and medical physics)

Answer 39

Z= rho*c Ir/I0 = (Z2-Z1)^2/(Z2+Z1)^2 (delta f)/f = 2vcos(theta)/c