Questions from College Physics

Q: A steel ring of inner diameter 7.000 00 cm at

A steel ring of inner diameter 7.000 00 cm at 20.0°C is to be heated and placed over a brass shaft of outer diameter 7.002 00 cm at 20.0°C. (a) To what temperature must the ring be heated to fit over...

Q: A bubble rises from the bottom of a lake of depth 80

A bubble rises from the bottom of a lake of depth 80.0 m, where the temperature is 4°C. The water temperature at the surface is 18°C. If the bubble's initial diameter is 1.00 mm, what is its diameter...

Q: The inner tube of a Pyrex glass mercury thermometer has a diameter

The inner tube of a Pyrex glass mercury thermometer has a diameter of 0.120 mm. The bulb at the bottom of the thermometer contains 0.200 cm3 of mercury. How far will the thread of mercury move for a c...

Q: Two slits separated by 20.0 µm are illuminated by light

Two slits separated by 20.0 µm are illuminated by light of wavelength 0.50 µm. If the screen is 8.0 m from the slits, what is the distance between the m = 0 and m = 1 bright fringes?

Q: Rank the time intervals in order of increasing speed.

Rank the time intervals in order of increasing speed.

Q: Consider the expansion of an ideal gas at constant pressure. The

Consider the expansion of an ideal gas at constant pressure. The initial temperature is T0 and the initial volume is V0. (a) Show that ΔV/V0 = β ΔT, where β = 1/T0. (b) Compare the coefficient of vo...

Q: A wine barrel has a diameter at its widest point of 134

A wine barrel has a diameter at its widest point of 134.460 cm at a temperature of 20.0°C. A circular iron band, of diameter 134.448 cm, is to be placed around the barrel at the widest spot. The iron...

Q: What is the temperature of an ideal gas whose molecules have an

What is the temperature of an ideal gas whose molecules have an average translational kinetic energy of 3.20 × 10−20 J?

Q: A bimetallic strip is made from metals with expansion coefficients α1 and

A bimetallic strip is made from metals with expansion coefficients α1 and α2 (with α2 > α1). The thickness of each layer is s. At some temper...

Q: John drives 16 km directly west from Orion to Chester at a

John drives 16 km directly west from Orion to Chester at a speed of 90 km/h, then directly south for 8.0 km to Seiling at a speed of 80 km/h, then finally 34 km southeast to Oakwood at a speed of 100...