THERMAL PHYSICS PHY474

HOMEWORK #1

· Convert a density of 1g/cm³ to Kg/m³ and to mg/l.

· Air flows over the top of an airplane wing of area A with speed v_top and under the wing with speed v_under. By using the Bernoulli equation show that upward lift force on the wing is

HALLIDAY, RESNICK, WALKER CH.14: 1, 3, 10, 35, 55, 62, 67, 68, 80, 82, 85.

DUE: WEDNESDAY, SEPTEMBER 8, 2010

HOMEWORK #2

• A steel rod has a length of 20cm at 30°C. How much longer is at 50°C?
• A pendulum clock made of brass is design to keep accurate time at 20°C. What will be the error in seconds per hour, if the clock operates: (i) at 5°C and (ii ) at 35°C?
• HALLIDAY, RESNICK, WALKER CH.18: 8, 9, 38, 43, 70, 88, 99.

DUE: MONDAY, SEPTEMBER 13, 2010

HOMEWORK #3

· For each of the following differentials determine if it is exact. If it is exact, integrate to determine u(x,y):

(a) du = xydx + xydy; (b) du = xy²dx +x²ydy; (c) du = sin(x)dx + cos(y)dy

• CALLEN CH.1 SECT.3: 1, 2.

DUE: MONDAY, SEPTEMBER 20, 2010

HOMEWORK #4

· CALLEN: CH.1 SECT.8: 5, 7;

· CALLEN: CH.3 SECT.4: 3, 4, 8, 9, 10;

· CALLEN: CH.3 SECT.9: 3.

  DUE: WEDNESDAY, SEPTEMBER 29, 2010

HOMEWORK #5

· CALLEN: CH.3 SECT.2: 1

· HALLIDAY, RESNICK, WALKER CH.19: 3, 12, 16, 17, 63, 78.

DUE: MONDAY, OCTOBER 4, 2010

HOMEWORK #6

• CALLEN: CH.3 SECT.5: 2, 3, 6.
• Calculate the work done on N moles of an ideal van der Waals fluid when the volume changes from V_i to V_f in an: (a) isobaric process at pressure p; (b) isothermal process at temperature T; (c) adiabatic process if initial pressure is p_i.

DUE: MONDAY, OCTOBER 11, 2010

HOMEWORK #7

• CALLEN: CH.2 SECT.6: 3, 4;
• CALLEN: CH.2 SECT.7: 2;
• HALLIDAY, RESNICK, WALKER CH.20: 7, 16, 21.

DUE:

HOMEWORK #8

• CALLEN: CH.2 SECT.8: 1.

DUE:

HOMEWORK #9

• HALLIDAY, RESNICK, WALKER CH.20: 35;

• CALLEN: CH.4 SECT.6: 1, 3, 4, 6;
• CALLEN: CH.4 SECT.10: 2, 3.

DUE:

HOMEWORK #10

• CALLEN: CH.3 SECT.6: 1, 2, 3;
• CALLEN: CH.4 SECT.7: 2.

DUE:

HOMEWORK #11

• Show that:
• CALLEN: CH.5 SECT.3: 3.

DUE:

HOMEWORK #12

• CALLEN: CH.9 SECT.3: 3, 5;
• CALLEN: CH.9 SECT.4: 3, 4, 9.
• Compute the slope of the coexistence line dp/dT in Pa/K for water in the following cases: (a) boiling under atmospheric pressure: T = 100 °C, latent heat l = 540cal/g, v_gas = 1.6729 l/g, v_liq = 1.044*10^-3 l/g; (b) freezing under atmospheric pressure: T = 0 °C, latent heat l = 80 cal/g, v_ice = 1.25 cm³/g, v_liq = 1.0 cm³/g.

DUE: