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A 20 liter tank of helium is at a pressure of 172kPa at a temperature of 0 C.
A: How many moles of helium are there in the tank?
B: If the volume of the tank expands to twice its initial volume at constant pressure, what is the new temperature?
C: What is the speed of the helium atoms in the tank at this new volume?
A diffraction grating has 3283 lines/cm. Light that contains all wavelengths between 480 and 659 nm shines on the grating
A system has a heat source supplying heat at a rate of 187 W, At what rate is the internal energy of the system changing
If a bullet is fired vertically upwards with the speed calculated in (b), what is the maximum height that the bullet can reach.
steam at 18mpa and 600 c is contained in a cylinder of volume 0.5m3 , calculate the heat rejected by the steam
A 11.1-kg object hangs in equilibrium at the end of a rope (taken as massless) while a wind pushes the object with a 60.3-N horizontal force. find the rope\'s angle from the vertical
What is the maximum speed the car. A roller-coaster car speeds down a hill past point A where R1 = 8.0 m and then rolls up a hill past point B where R2 = 15.0 m.
compute your apparent weight at the top of a Ferris wheel, given that the radius of the wheel is 7.1 , it completes one revolution every 30 , and your mass is 51 .
The blood flow rate through the aorta is typically 95 cm3/s, and a typical adult has about 5.1 liters of blood. what is the speed of blood as it flows through the aorta
By doing a nuclear diffraction experiement, you measure the de Broglie wavelength of a proton to be 9.48 fm. evaluate the speed of the proton
A steel wire strung between two supports is initially horizontal when there is no tension on it. When a 9.5 kg painting is hung on the wire, the wire makes a 25° angle to the horizontal, as shown. Illustrate what is the diameter of the wire?
If they are released from rest and allowed to fall toward one another, what is their speed when they first make contact?
An 80 kg spacewalking astronaut pushes off a 640 kg satellite, exerting the 100N force for the 0.50 s it takes him to straighten his arms.
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