# 07. Physics Flashcards

T/F:

The value of e in y = ex depends on the units used to measure x.

True.

e is a mathematical constant (approximate value 2.71828) and doesn’t change.

T/F:

A minimum point on a curve y = f(x) is defined by dy/dx = 0

True.

At both maximum and minimum points, the slope of the curve is 0.

The calculation of cardiac output from a thermodilution curve is an application of differentiation?

It is an example of integration.

A picofarad is 10^9 Farad?

It is 10^12

Energy = ?

force x distance

Force = ?

mass x acceleration

Unit of velocity?

m/s

Charge = ?

current x time

Atmospheric pressure at sea level = ? mmHg = ?mmH2O

1 atm = 10 m water pressure = 760 mmHg

Pressure = ?

force/area

?atmospheric pressure at sea level

101 bar

In considering energy and work:

The kinetic energy contained in 2 kg object moving at a velocity of 4 m/sec is 32 J.

T/F

False. Kinetic energy = 0.5 mv^sq = 16 J

Kinetic energy = ?

0.5 x mv^sq.

The work done in compressing a ventilator bellows of cross sectional area A, through a pressure differential P through a displacement d is Pd/A? T/F

False.

P.A.d

The work done in compressing a gas between two pressures and two volumes is proportional to the slope of the P-V curve between those two points? T/F

False.

Area under P-V curve

Triple point of water?

It occurs at 0.006 bar and

= 273.16 K

= 0 C

In adiabatic energy exchange in a gas, the temperature remains constant?

False.

No temperature change is an isothermal process;

- adiabatic implies no heat supplied or lost.

Water boils at a temperature which depends on ambient pressure?

T/F

TRUE.

As boiling occurs when SVP = ambient pressure.