Questions from College Physics


Q: A grandfather clock is controlled by a swinging brass pendulum that is

A grandfather clock is controlled by a swinging brass pendulum that is 1.3 m long at a temperature of 20.0°C. (a) What is the length of the pendulum rod when the temperature drops to 0.0°C? (b) If a p...

See Answer

Q: A pair of eyeglass frames are made of epoxy plastic (coefficient

A pair of eyeglass frames are made of epoxy plastic (coefficient of linear expansion = 1.30 x 10-4 (°C)-1). At room temperature (20.0°C), the frames have circular lens holes 2.20 cm in radius. To what...

See Answer

Q: A spherical steel ball bearing has a diameter of 2.540

A spherical steel ball bearing has a diameter of 2.540 cm at 25.00°C. (a) What is its diameter when its temperature is raised to 100.0°C? (b) What temperature change is required to increase its volume...

See Answer

Q: A brass ring of diameter 10.00 cm at 20.

A brass ring of diameter 10.00 cm at 20.0°C is heated and slipped over an aluminum rod of diameter 10.01 cm at 20.0°C. Assuming the average coefficients of linear expansion are constant, (a) To what t...

See Answer

Q: A wire is 25.0 m long at 2.00

A wire is 25.0 m long at 2.00°C and is 1.19 cm longer at 30.0°C. Find the wire’s coefficient of linear expansion.

See Answer

Q: The density of lead is 1.13 x 104 kg/

The density of lead is 1.13 x 104 kg/m3 at 20.0°C. Find its density at 105°C.

See Answer

Q: The Golden Gate Bridge in San Francisco has a main span of

The Golden Gate Bridge in San Francisco has a main span of length 1.28 km, one of the longest in the world. Imagine that a steel wire with this length and a cross-sectional area of 4.00 x 10-6 m2 is l...

See Answer

Q: An underground gasoline tank can hold 1.00 x 103 gallons

An underground gasoline tank can hold 1.00 x 103 gallons of gasoline at 52.0°F. If the tank is being filled on a day when the outdoor temperature (and the gasoline in a tanker truck) is 95.0°F, how ma...

See Answer

Q: Show that the coefficient of volume expansion, β, is related

Show that the coefficient of volume expansion, β, is related to the coefficient of linear expansion, α, through the expression β = 3α.

See Answer

Q: A hollow aluminum cylinder 20.0 cm deep has an internal

A hollow aluminum cylinder 20.0 cm deep has an internal capacity of 2.000 L at 20.0°C. It is completely filled with turpentine at 20.0°C. The turpentine and the aluminum cylinder are then slowly warme...

See Answer