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A geiger-muller tube is a type of gas-filled radiation detector. It can detect particles like X-rays, alpha particles and beta rays (electrons). This is usefully in quantizing the activity of a radioactive source or determining if an area containing radioactive material is safe to enter. Assuming that you have one mole of gas, if a geiger counter is filled with 1.0190 × 104 Pa of argon gas at room temperature (T = 21.1 C), what is the density of the gas in this geiger tube?
answer in g/cm^3
A 50 loop circular coil has a radius of 3.0 cm. It is oriented so that the field lines of a uniform magnetic field of magnitude 0.35 T are normal to the area of the coil. Find the average induced emf in the coil
After falling from rest from a height of 35 m, a 0.58-kg ball rebounds upward, reaching the height of 26 m. If the contact between ball and ground lasted 2.5 ms, what average force was exerted on ball.
Three astronauts, propelled by jet packs, push and guide a 120.0 kg asteroid toward a processing dock, exerting forces of 32.0 N at an angle of 30.0 degrees above the positive x-direction, What is the direction of the asteroids acceleration
A certain camera has f-numbers that range from 1.1 to 28. If the focal length of the lens is 40 mm, what is the range of aperture diameters for the camera
(a) Calculate the index of refraction of the polymer if the refracted angle is 26 degrees. (b) Calculate the critical angle of the polymer in air. (c) Calculate the speed of light in the polymer.
A uniform density cube of mass m, side 2b, and center at C is placed on a fixed horizontal cylinder of radius r and center O in Earth's gravitational field.
A 1kg of ice at -30° C is added to 10 kg of steam at 500°C. What is the final phase of the system of ice + steam if no heat escaped from it
a cat walk 8.0m north, 5.0m east and then 6.0m south. What is the magnitude of the cat's displacement from the starting point
A 5 kg ball collides head-on with a 10 kg ball, which is initially stationary. The collision is inelastic. Which statement is true?
A two-slit interference pattern is formed using monochromatic laser light that has a wavelength of 640 nm. At the first minimum from the central maximum, what is the path-length difference between the light coming from each of the slits?
A football punter accelerates a football from rest to a speed of 13 m/s during the time in which his toe is in contact with the ball (about 0.20 s). what average force does the punter exert on the ball
A simple harmonic oscillator takes 26 seconds to undergo 22 complete oscillations. What is the period of the oscillator
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