Questions from College Physics

Q: Two resistors connected in series have an equivalent resistance of 690 Ω

Two resistors connected in series have an equivalent resistance of 690 Ω. When they are connected in parallel, their equivalent resistance is 150 Ω. Find the resistance of each resistor.

Q: Death Valley holds the record for the highest recorded temperature in the

Death Valley holds the record for the highest recorded temperature in the United States. On July 10, 1913, at a place called Furnace Creek Ranch, the temperature rose to 134°F. The lowest U.S. tempera...

Q: On January 22, 1943, in Spearfish, South Dakota,

On January 22, 1943, in Spearfish, South Dakota, the temperature rose from -4.00°F to 45.0°F over the course of two minutes (the current world record for the fastest recorded temperature change). By h...

Q: In a student experiment, a constant-volume gas thermometer is

In a student experiment, a constant-volume gas thermometer is calibrated in dry ice (-78.5°C) and in boiling ethyl alcohol (78.0°C). The separate pressures are 0.900 atm and 1.635 atm. (a) What value...

Q: A person’s body temperature is 101.6°F, indicating

A person’s body temperature is 101.6°F, indicating a fever of 3.0°F above the normal average body temperature of 98.6°F. How many degrees above normal is this body temperature on the Celsius scale?

Q: The temperature difference between the inside and the outside of a home

The temperature difference between the inside and the outside of a home on a cold winter day is 57.0°F. Express this difference on (a) The Celsius scale and (b) The Kelvin scale.

Q: A nurse measures the temperature of a patient to be 41.

A nurse measures the temperature of a patient to be 41.5°C. (a) What is this temperature on the Fahrenheit scale? (b) Do you think the patient is seriously ill? Explain.

Q: Temperature differences on the Rankine scale are identical to differences on the

Temperature differences on the Rankine scale are identical to differences on the Fahrenheit scale, but absolute zero is given as 0°R. (a) Find a relationship converting the temperatures TF of the Fahr...

Q: The New River Gorge bridge in West Virginia is a 518-

The New River Gorge bridge in West Virginia is a 518-m-long steel arch. How much will its length change between temperature extremes of -20.0°C and 35.0°C?

Q: How much thermal energy is required to boil 2.00 kg

How much thermal energy is required to boil 2.00 kg of water at 100.0°C into steam at 125°C? The latent heat of vaporization of water is 2.26 x 106 J/kg and the specific heat of steam is 2010 J/(kg ∙...