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When a beam of atoms emerges from an oven at the absolute temperature T, the most probable de Broglie wavelength for a given atom is \lambda _{{\rm{mp}}} = \frac{h}{{\sqrt{{5mkT}}}}. In this expression, m is the mass of an atom, and k is Boltzmann's constant.
What is the most probable speed of a hydrogen atom emerging from an oven at 400K.
welding machine draws a 18A of current at 240V. When it is inadvertently connected to a 120V outlet, the current in it is 10A. Is the machine's resistance ohmic
A 2-kg book with no initial velocity slides down an inclined plane with an angle of 20 degrees a total of 2 meters. The force of friction does 10 Joules of work, what is the final kinetic energy of the system as the book reaches the bottom of the ..
A helicopter lowers a rope with a seat at the end to resue someone. The seat has a mass of 4.4 kg. The person has a mass of 74.4 kg. How much tension will be on the rope
What are the d irections of electric field
A copper rod is fastened securely at both ends to immovable supports. What is the magnitude |?T| of the change in temperature of the rod when it ruptures
A straight horizontal pipe with a diameter of 1.0 cm and a length of 47 m carries oil with a coefficient of viscosity of 0.13 N · s/m2. Estimate the maximum flow speed if the flow must be streamline
Find out the magnitude of the vertical component of the velocity
What is acceleration due to gravity
An undiscovered planet, many lightyears from Earth, has one moon in a periodic orbit. This moon takes 1710 * 10^3 seconds, calculate the moon\'s radial acceleration.
Consider a pair of charged parallel plates, each having an area of 5cm^2. what is the magnitude of the electric field in the space
a 27 kilogram block is being pulled up a ramp with a force of 250n. the ramp has an incline of 31 degrees above the
The specific heat of a 98 g block of material is to be determined. The block is placed in a 25 g copper calorimeter that also holds 60 g of water. Determine the specific heat of the block
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