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Please show the calculation of the molecular weight of an unknown gas if the rate of effusion of ammonia gas (NH3) is 1.45 times faster than that of an unknown gas.
This assignment is from my homework, i have not tried to submit anyones work as my own. there is also no additional information.
question two small plastic spheres each have a mass of 2.0 g and a charge of -50.0 nc. they are placed 2.0 cm apart.by
A solar water heater for domestic hot-water supply uses solar collecting panels with a collection efficiency of 47.0% in a location where the average solar-energy input is 200 W/m^2...... If the water comes into the house at 15.0C and is to be heated..
two asteroids head straight for earth from the same direction. their speeds relative to earth are 0.79c for asteroid 1
A 51 crate, starting from rest, is pulled across a floor with a constant horizontal force of 250 . For the first 11.5 the floor is frictionless, and for the next 11.5 the coefficient of friction is 0.16. what's the final speed.
Two lenses, one converging with focal length 20.5 cm and one diverging with focal length - 12.0cm , are placed 25.0 cm apart. Determine the magnification of the final image formed
The speed of sound in air at room temperature is 340 m/s. What is the frequency of a sound wave in air with wavelength 1.3 m
A radio signal with a wavelength of 1.2 x10-4 m is sent to a distance asteroid, How far from Earth is the asteroid
An infinite plane of charge with σ= -3.60 µC/m2 is at x = -2.5 cm, and an infinite plane of charge with σ = 7.70 µC/m2 is at x = 2.5 cm. What is the electric field at x = 1.00 cm
A 200g block on a frictionless surface is pushed against a spring with spring constant 500N/m, compressing the spring by 2.0cm. at what speed does it shoot away from the spring
A cyclotron is used for the acceleration of alpha particles. The radius of the cyclotron?s dee is 2 m, and the magnetic flux density in the dees is 0.8 T. What is the velocity of the alpha particles when they exit the cyclotron? The alpha particle..
find the pressure increase in the fluid in a syringe when a nurse applies a force of 42 n to the syringes circular
Solenoids produce magnetic fields that are relatively intense for the amount of current they carry. Find the magnetic field at the center of the solenoid
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