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What is the RMS velocity of a nitrogen-14 gas molecule at a temperature of 46-°C?What is the internal energy of 1.0 mole of a nitrogen gas at this same temperature?
A particular organ pipe can resonate at 264 Hz, 440 Hz, and 616 Hz, however not at any other frequencies between 264 and 616 Hz. (a) Is this an open or closed pipe? (b) What is the fundamental frequency of this pipe?
an object undergoing simple harmonic motion has a maximum acceleration of 85.29 ms2 and a maximum speed of 1.44 ms.
at one time television sets used rabbit-ears antennas. such an antenna consists of a pair of metal rods. the length of
Calculate the distance, L, to the screen. Show all work. Calculate the ditance between the first and second dark bands in the interference pattern. Shown all work.
A 205-kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp isinclined at 30.0° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is0.900, and the log has..
An astronaut living at a space station is in a constant state of free fall- the only force exerted on her and on the space station is the gravitational force due to the Earth. How can an astronaut determine her mass while on an extended stay in sp..
A spring is first stretched 2.0 cm from its unstressed length. It is then stretched an extra 1.8 cm. How does the work required for the second stretch compare to the work needed for the first stretch (give a ratio of second to first)? (Be sure you ar..
While working in a research lab, you find that it takes396 J of heat to increase the temperatureof 0.99 kg of a material by 32 K. What is the specific heat of the material
In the human arm, the forearm and hand pivot about the elbow joint. Consider a simplified model in which the biceps muscle is attached to the forearm 3.80 cm from the elbow joint. what is this force when the forearm is in this position
The drawing shows a baggage carousel at an airport. Your suitcasehas not slid all the way down the slope and is going around at aconstant speed on a circle (r = 10.6 m) as the carousel turns
It's nighttime, and you've dropped your goggles into a swimming pool that is 4.5 m deep. If you hold a laser pointer 1.4 m directly above the edge of the pool, you can illuminate the goggles if the laser beam enters the water 2.8 m from the edge. ..
The bullet remains in the block, and after the impact the block lands d = 2.2 m from the bottom of the table. Identify the initial speed of the bullet.
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