Physics Fluid And Gases

Question 1

Equation for wave velocity

Answer 1

V = frequency * wavelength

as f depends on only heart rate, only wavelength changes when speed changes

Question 2

Wave period

Answer 2

Is

Question 3

Wavelength image

Answer 3

Question 4

1 Pa equals how many mmHg?

Answer 4

0.075 mmHG

Question 5

List of prefixes

Answer 5

Question 6

Blood vessels structure

Answer 6

Artery -> arteriole -> capillary -> venule -> vein

Question 7

Blood pressure

Answer 7

Question 8

What vascular region is the primary pressure reducing?

Answer 8

Arterioles. Reduce the blood pressure from the major arteries ( high blood pressure) to the capillary networks ( low blood pressure )

Question 9

Refractive index equation

Answer 9

n1 sin theta 1 = n2 sin theta 2

Question 10

Density equation

Answer 10

m/V

Question 11

If a diameter is 20 m then radius is

Answer 11

Half of it, 10 m

Question 12

Pai is equal?

Answer 12

3

Question 13

What is heat?

Answer 13

Spontaneous transfer of energy between two regions that have different T

Question 14

Heat transfer mechanisms

Answer 14

Conduction
Convection
Radiation

Question 15

When air T increases what happens to its density?

Answer 15

Decreases

Question 16

Float or sink

Answer 16

Question 17

Continuity equation

Answer 17

Question 18

Dilation of the blood vessel cause in the blood area and velocity

Answer 18

Increase in area but decrease in speed

Question 19

Free body diagram with friction

Answer 19

Question 20

How blood travels?

Answer 20

Through vessels to deliver oxygen and nutrients to tissues and to remove waste products in capillaries.
Blood leaves the heart through the arteries and returns to the heart through the veins

Question 21

Systolic vs diastolic

Answer 21

Maximum - systolic within the arteries
Minimum - diastolic

Question 22

Fn equals with Ft

Answer 22

Fn = Fw - Ft

Question 23

What is shearing force?

Answer 23

Proportional to viscosity times delta v/ delta distance

Larger viscosity, larger shearing force

Question 24

1 sec is how many Ms?

Answer 24

1000 ms

Question 25

Standard deviation

Answer 25

Question 26

Kinetic energy with Boltzmanns constant

Answer 26

KE= 3/2 k T

Question 27

Ideal fluid vs nonideal

Answer 27

Question 28

Fundamental harmonic for a pipe open on one end

Answer 28

Harmonic wavelength = 4L / n n is harmonic number

Question 29

Harmonic frequency equation

Answer 29

f n = v/ harmonic wavelength = nv/ 4L

Question 30

Magnitude of the component vectors

Answer 30

Vx = V cos Vy = V sin Parallel cos Perpendicular sin

Question 31

Doppler shift and velocity

Answer 31

If v is positive, moving toward the observer If v is negative away from the observer

Question 32

Cm to m

Answer 32

Cm times 0.01 m

Question 33

How heat transfer from an organism to the environment can be accomplished?

Answer 33

Increasing blood flow ( thermal conduction by vasodilation) or by increasing respiration ( increasing conduction and convection)

Question 34

Velocity and pressure relationship

Answer 34

As v increases, P decreases

Question 35

Elastic potential energy equation

Answer 35

Uel = 1/2 k x^2

Question 36

Mathematical relationship

Answer 36

Question 37

Acceleration of charged proteins during electrophoresis

Answer 37

Question 38

Electrostatic force equation

Answer 38

F = qE q is charge and E is electric field ( E = voltage / distance)

Question 39

Acceleration from electrostatic force

Answer 39

a = Fe/ m Acceleration increases when distance decreases

Question 40

Farad to mF

Answer 40

1 F = 1000 mF

Question 41

Voltage formula

Answer 41

V = Q / C q electric charge in C C capacitance in F

Question 42

T of matter formula

Answer 42

T = KE of each molecule / quantity of molecules

Question 43

Mold heat capacity

Answer 43

Amount of heat required to raise the T of 1 mole of a substance by 1 degree Kelvin Q = n C deltaT n = moles Molar heat capacity at constant Pressure exceeds the molar heat capacity of a gas at constant volume

Question 44

Characteristics of an ideal gas

Answer 44

Question 45

Relationship between density and volume below surface

Answer 45

p object/ p fluid = Vfluid / V object

Question 46

How to calculate fraction of an object above surface?

Answer 46

1 - V fluid / V object = 1- p fluid / p object

Question 47

Partial pressure of oxygen

Answer 47

Question 48

Increasing respiration rate increases

Answer 48

Heat transfer to the environment

Question 49

Pascals law

Answer 49

P = F / A P = P1= P2

Question 50

Osmosis

Answer 50

Diffusion of solvent across a semipermeable membrane separating compartments with different solute concentrations

Question 51

Osmotic pressure formula

Answer 51

iMRT

Question 52

Starling equation of the net fluid filtration

Answer 52

Question 53

Formula of work with pressure and volume

Answer 53

W = PV

Question 54

Partial pressure formula

Answer 54

Pgas = X gas * P total x = mol

Question 55

Concentration

Answer 55

C = Kh * Pgas Kh = 6* 10^-3 mol/atm

Question 56

How to calculate own cardiac cycle per minute through Hz?

Answer 56

1.5 Hz/1s * 60 s / 1 min = 90 cycles/ min

Question 57

Ohm Law for flow

Answer 57

Pressure drop is proportional to its resistance Delta P = Q * R

Question 58

Normal inspiration

Answer 58

Contraction of the diagram. Volume of the pleural cavity increases and intrapleural pressure decreases while alveolar pressure increases which causes the lungs to inflate

Question 59

The resiliency of the kings refers to the kings ability…

Answer 59

To recoil after being stretched

Question 60

What is surface tension of a liquid?

Answer 60

Imbalance if intermolecular forces at its surface that makes its surface as a thin, elastic firm. Arises from cohesive forces in a fluid.

Question 61

Low concentration means

Answer 61

Low solubility and low blood gas coefficient

Question 62

Buoyancy states

Answer 62

Question 63

Reynolds’s number function and formula

Answer 63

To determine the flow is laminar or turbulent R = p VL / viscosity

Question 64

Pressure in a fluid barometer

Answer 64