Questions from Modern Physics

Q: An automobile tire has a volume of 0.0150 m3 on

An automobile tire has a volume of 0.0150 m3 on a cold day when the temperature of the air in the tire is 5.00C and atmospheric pressure is 1.02 atm. Under these conditions the gauge pressure is meas...

Q: A flask with a volume of 1.50 L, provided

A flask with a volume of 1.50 L, provided with a stopcock, contains ethane gas (C2H6) at 300 K and atmospheric pressure (1.013 × 105 Pa). The molar mass of ethane is 30.1 g/mol. The system is warmed t...

Q: A balloon of volume 750 m3 is to be filled with hydrogen

A balloon of volume 750 m3 is to be filled with hydrogen at atmospheric pressure (1.01 × 105 Pa). (a). If the hydrogen is stored in cylinders with volumes of 1.90 m3 at a gauge pressure of 1.20 × 106...

Q: A vertical cylindrical tank contains 1.80 mol of an ideal

A vertical cylindrical tank contains 1.80 mol of an ideal gas under a pressure of 0.300 atm at 20.00C. The round part of the tank has a radius of 10.0 cm, and the gas is supporting a piston that can...

Q: A soprano and a bass are singing a duet. While the

A soprano and a bass are singing a duet. While the soprano sings an A-sharp at 932 Hz, the bass sings an A-sharp but three octaves lower. In this concert hall, the density of air is 1.20 kg/m3 and its...

Q: The sound from a trumpet radiates uniformly in all directions in 20

The sound from a trumpet radiates uniformly in all directions in 20C air. At a distance of 5.00 m from the trumpet the sound intensity level is 52.0 dB. The frequency is 587 Hz. (a). What is the pres...

Q: A geodesic dome constructed with an aluminum framework is a nearly perfect

A geodesic dome constructed with an aluminum framework is a nearly perfect hemisphere; its diameter measures 55.0 m on a winter day at a temperature of -15°C. How much more interior space does the do...

Q: A person is playing a small flute 10.75 cm long

A person is playing a small flute 10.75 cm long, open at one end and closed at the other, near a taut string having a fundamental frequency of 600.0 Hz. If the speed of sound is 344.0 m/s, for which h...

Q: A uniform 165-N bar is supported horizontally by two identical

A uniform 165-N bar is supported horizontally by two identical wires A and B (Fig. P16.62). A small 185-N cube of lead is placed threefourths of the way from A to B. The wires are each 75.0 cm long an...

Q: An organ pipe has two successive harmonics with frequencies 1372 and 1764

An organ pipe has two successive harmonics with frequencies 1372 and 1764 Hz. (a). Is this an open or a stopped pipe? Explain. (b). What two harmonics are these? (c). What is the length of the pipe...