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A volume of nitrogen gas has a density of 1.15 kg/m3 and a pressure of 1.07 atm. Find the temperature of the gas and the rms speed of its molecules.
Some nucleus of 74X189 (atomic mass = 188.96191 u) undergoes - decay to become 75X189 (atomic mass = 188.95922 u). What is the energy (in MeV) released in this process
The nucleus of a hydrogen atom is a single proton, which has a radius of about 1.2 × 10-15 m. What is the ratio of the density of the hydrogen nucleus to the density of the complete hydrogen atom
If there is a section of the hose where the diameter decreases to 1.93 cm, what is the speed of the water in this section
A hook in boxing primarily involves horizontal flexion of the shoulder, while maintaining a constant angle at the below. What is the average speed of the fist during the hook
A pendulum consists of a uniform disk with radius 10 cm and mass 400 g attached to a uniform rod with length 500 mm and mass 285 g (see the figure). A) Calculate the rotational inertia of the pendulum about the pivot. B) What is the distance between ..
5.0kg of water at 32?C is mixed with 5.0kg of water at 52?C in a well-insulated container. Estimate the net change in entropy of the system
A playground merry-go-round of radius R = 1.20 m has a moment of inertia I = 275 kg · m2, What is the new angular speed of the merry-go-round
An aluminum can is filled to the brim with a liquid. The can and the liquid are heated so their temperatures change by the same amount. What is the coefficient of volume expansion of the liquid
Light passes through a 230 lines/mm grating and is observed on a 1.0m wide screen located 1.3m behind the grating. Three bright fringes are seen on both sides of central maximum.
A jogger jogs from one end to the other of a straight 300m track( from point A to point B) in 2.50 min and then turn around, What are the jogger's average speed and average velocities in going
a block with mass M rests on a frienctionless surface and is connected to a horizontal spring force k. Find the maximum amplitude of oscillation such that the top block will not slip on the bottom block
Consider the expansion of 60.0 moles of a monatomic ideal gas along processes 1 and 2 in the figure below. In process 1 the gas is heated at constant volume from an initial pressure of Pi = 95 kPa to a final pressure of Pf = 190 kPa. In process 2 ..
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