Questions from College Physics

Q: A 7.00-L vessel contains 3.50 moles

A 7.00-L vessel contains 3.50 moles of ideal gas at a pressure of 1.60 x 106 Pa. Find (a) The temperature of the gas and (b) The average kinetic energy of a gas molecule in the vessel. (c) What additi...

Q: Superman leaps in front of Lois Lane to save her from a

Superman leaps in front of Lois Lane to save her from a volley of bullets. In a 1-minute interval, an automatic weapon fires 150 bullets, each of mass 8.0 g, at 4.00 x 102 m/s. The bullets strike his...

Q: In a period of 1.0 s, 5.0

In a period of 1.0 s, 5.0 x 1023 nitrogen molecules strike a wall of area 8.0 cm2. If the molecules move at 3.00 x 102 m/s and strike the wall head-on in a perfectly elastic collision, find the pressu...

Q: Inside the wall of a house, an L-shaped section

Inside the wall of a house, an L-shaped section of hot-water pipe consists of three parts: a straight horizontal piece h = 28.0 cm long, an elbow, and a straight, vertical piece â„“ =...

Q: A 100.-g cube of ice at 0°C is

A 100.-g cube of ice at 0°C is dropped into 1.0 kg of water that was originally at 80.°C. What is the final temperature of the water after the ice has melted?

Q: The active element of a certain laser is made of a glass

The active element of a certain laser is made of a glass rod 30.0 cm long and 1.50 cm in diameter. Assume the average coefficient of linear expansion of the glass is 9.00 x 10-6 (°C)-1. If the tempera...

Q: A popular brand of cola contains 6.50 g of carbon

A popular brand of cola contains 6.50 g of carbon dioxide dissolved in 1.00 L of soft drink. If the evaporating carbon dioxide is trapped in a cylinder at 1.00 atm and 20.0°C, what volume does the gas...

Q: Consider an object with any one of the shapes displayed in Table

Consider an object with any one of the shapes displayed in Table 8.1. What is the percentage increase in the moment of inertia of the object when it is warmed from 0°C to 100.°C...

Q: A steel beam being used in the construction of a skyscraper has

A steel beam being used in the construction of a skyscraper has a length of 35.000 m when delivered on a cold day at a temperature of 15.000°F. What is the length of the beam when it is being installe...

Q: A 1.5-m-long glass tube that is

A 1.5-m-long glass tube that is closed at one end is weighted and lowered to the bottom of a freshwater lake. When the tube is recovered, an indicator mark shows that water rose to within 0.40 m of th...