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Compute the each part of given problem:
Problem: A 10-cm-diameter cylinder of helium gas is 30 cm long and at 20 C. The pressure gauge reads 120 psi.
Part I: How many helium atoms are in the cylinder?
Part II: What is the mass of the helium?
If possible just a brief explanation how you got the solution?
A parallel plate capacitor with a plate area of .8m^2 seperated by a .6mm mica sheet. The energy stored in the capacitor is
A 20.33 gram ice cube at -8.87 degrees celsius is placed in an aluminum cup whose initial temperature is 182.02 C. What is the mass in grams of the cup
Consider two antennas separated by 14.0 mthat radiate in phase at 85 MHz. Areceiver placed 150 m from both antennas measures an intensity/0. The receiver is moved so that it is2.2 m closer to one antenna than the other.
An electron accelerated from rest through the voltage of 500V enters a region of constant magnetic field. If the electron follows a circular path with a radius of 17cm, what is the magnitude of magnetic field.
What is the average speed of a rider on this Ferris wheel.
An oil droplet(missing 3 electrons) is hovering inside some parallel plates that are separated by 3.0mm. what is the mass of the oil droplet
A 10g bullet is fired horizontally into a 300g wooden block initially at rest on a horizontal surface and becomes embedded in it. The coefficient of friction between block and surface in 0.50. The combined system slides 4.0m before stopping. With ..
A ball is thrown straight upwith an initial velocity v0=4.9 m/s. Assume that the acceleration due to gravity is g=9.8 m/s^2 downward. How long does it take to come back to its inital position
An automobile has a mass of 1710 kg and a velocity of 23.2 m/s. It makes a rear-end collision with a stationary car whose mass is 2470 kg. What is the velocity of the two cars just after the collision
question two particle move in a uniform gravitational field with an acceleration g. at a moment the particle were
What is the launch speed of a projectile that rises vertically above the Earth to an altitude equal to five times the Earth's radius before coming to rest momentarily
A rod with an initial length of 4.67 m i heated from a temperature of 5 oC to 58 oC. What is the new total length of the rod
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