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A sample of helium behaves as an ideal gas as it is heated at constant pressure from 273 K to 383 K. If 25.0 J of work is done by the gas during this process, what is the mass of helium present?
Object A has a mass of 10.0 kg and is located at xA = 0.0 m on the x-axis. Object B has a mass of 15.0 kg, What is the center of mass of the collection masses
what is the frequency of vibration of the string. If the shot was launched from 6.00 f above the ground at an initial angle of 42.0 degrees , what was its initial speed.
35 kg girl is bouncing on a trampoline. Throughout a certain interval after leaving the surface of the trampoline, her kinetic energy decreases to 170 J from 470 J. How high does she rise during this interval? Avoid air resistance.
-Chlorine-35 has a mass of 34.97 amu, and makes up 75.53 % of all chlorine atoms, and Chlorine-37 has a mass of 36.95 amu, Determine the atomic mass of the chlorine atom
The frequency doubled output of a Nd3+ YAG laser has a wavelength of 532nm. how many photons does the laser emit at 532nm in 3 minutes
uniform thin rod of length L=2.5 m and mass 2 kg can rotate in a horizontal plane about a vertical axis through its center. what is the angular velocity of the rod immediately after the collision
Two identical probes are sent along the same path toward a neutron star. Find the distance between the center of mass of the two probe system
The volume of an ideal gas is increased from 1 m3 to 2 m3 while maintaining a constant pressure of 1000 Pa (1 Pa = 1 N/m2). How much work is done by the gas in this expansion
question1a sealed well-insulated 2000ml thermos bottle with negligible heat capability is completely empties - a
In the Atwood machine shown below, m1 = 2.00 kg and m2 = 5.35 kg. The masses of the pulley and string are negligible by comparison. The pulley turns without friction and the string does not stretch. The lighter object is released with a sharp push th..
An 8.5 x 11cm sheet of metal is illuminated by a light source located 1.3m directly above it. What is the luminous flux falling on the metal if the source has an intensity of 200cd? What is the total luminous flux emitted by the light source?
The fundamental and first overtone for 14N16O are centred at 1876.06 cm 1 and 3724.20 cm 1 respectively. Evaluate the equilibrium vibration frequency
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