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a) A sample of an ideal gas is at a temperature of 320 K. The rmsmolecular speed at this temperature is measured as 1631 m/s. Calculate the mass of a molecule of this gas.b) A sample of an ideal gas is at a temperature of 320 K. The rmsmolecular speed at this temperature is measured as 1631 m/s. Calculate the mass of a molecule of this gas.c) The initial pressure in an ideal gas is 1.40 atm when itstemperature is 299 K. The temperature is increased to 315 K and thevolume is increased to 1.29 times its initial value. Calculate the final pressure.
The Achilles tendon inserts on the calcaneus at a distance of 8cm from the axis of the ankle joint. The force generated by the muscles attached to the Achilles tendon is 3000N, and the moment arm of this force is 5cm. a) Draw a free body diagram o..
An electron is in an angular momentum state with l=3, What is the lenght of the electron's angular momentum vector
Three identical point particles that have charge q are at the vertices of an equilateral triangle that is circumscribed by a circle of radius a that lies in the z = 0 plane, What is the electric potential at the origin
Ocean waves of wavelength 100 m have a speed of 6.20 m/s; ocean waves of wavelength 20.0 m have a speed of 2.80 m/s. Suppose that a sudden storm at sea generates waves of all wavelengths. How far is the storm from the coast
Consider a cell phone that emits electromagnetic radiation with a frequency of 1.0 GHz and with a power of 70 W. find the electric field amplitude at your ear as you use the phone
This technique is capable of detecting magnetic fields as weak as 1.0 10-15 T. Model the neuron as a long wire carrying a current and find out the current it must carry to produce a field of this magnitude at a distance of 4.7 cm from the neuron..
What is the maximum speed the masses
A block is sliding to the right up a inclined plane (10 degrees) at an initial speed of 0.5 m/s. The coeffecient of friction is 0.3. how large must the minimum coefficient of static friction be
A 1,200kg satellite is placed in an orbit 5,000km above the surface of the Earth. a. What is the gravitational acceleration of the Earth at that altitude? b. What is the speed of the satellite? c. How long does it take the satellite to go around the ..
An 8.74g bullet is fired into a 360g block that is initially at rest at the edge of a frictionless table of height h = 1.03 m. What is the initial horizontal velocity of the block as it flies off the table
A child pushes a merry-go-round with a force of 50.0 N at an angle tangent to the circle (that is, perpendicular to a radius). how much work does she do
A spotlight sends red light (wavelength = 694.3 nm) to the moon. At the surface of the moon, which is 3.77 multiply.gif 108 m away, Determine the diameter (not the radius) of the central bright spot on the moon
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