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A 4.60-kg ball is dropped from a height of 10.0m above one end of a uniform bar that pivots at its center. The bar has mass 8.00kg and is 5.60m in length. At the other end of the bar sits another 6.00-kg ball, unattached to the bar. The dropped ball sticks to the bar after the collision. how high will the ball go after the collision?
Find the threshold energy that an incident neutron must have when striking an alpha particle to produce a deuterium and tritium nucleus
You are shining ultraviolet light on a gas of an unknown element. You know that an electron starts in a ground state with an energy of -13.10 eV. What is the energy of the first photon emitted
Suppose the flux through a loop changes uniformly from 12 Wb to 18 Wb in 6.50 s. What is the magnitude of the emf induced in the loop
An object with a mass of m = 5.3 kg is attached to the free end of a light string wrapped around a reel of radius R = 0.255 m and mass of M = 3.00 kg, Determine the speed with which the object hits the floor
Consider an electron in the ground state of the hydrogen atom, separated from the proton by a distance of 0.0529 nm. Viewing the electron as a satellite orbiting the proton in the electrostatic potential, calculate the speed of the electron in its ..
The dielectric to be used in a parallel-plate capacitor has a dielectric constant of 2.40 and a dielectric strength of 1.60 107 V/m. What is the minimum area the plates of the capacitor may have
By how much horizontal force would you need to apply to a 3.0 N plastic calculator to start it moving from rest? How much horizontal force would you need to keep it moving?
What should be the least kinetic energy in electron volts
An electron is accelerated through a potential difference of 10 Megavolts. By what factor has the mass of the electron increased
A box-shaped wood stove has dimensions of 0.75 m x 1.2 m x 0.40 m an emissivity of 0.80, Calculate its rate of radiation into the surrounding space
A square plate of copper with 35.0-cm sides has no net charge and is placed in a region of uniform electric field of 60.0 kN/C directed perpendicularly to the plate. find the total charge on the positive face of the plate
An organ pipe is a closed-ended air column. If its bottom note has a frequency of 20 Hz (close to the lowest audible frequency), then how long is the column
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