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Find the closest distance an alpha particle of kinetic energy 5.0MeV can approach a bare gold nucleus. (Atomic number of gold is 79.) Then A proton is introduced at rest at a distance of 2 ×10?14 m from a bare nucleus of uranium (92U238). What is its kinetic energy in eV when it is expelled to infinity?
Illustrate a new gravitational potential energy
A spherical steel shell with shell thickness 10 mm rolling down the ramp without slipping.assume that the density of aluminum.
Consider a dry air parcel initially at the surface (T=25 degrees celsius and p=980mb) that rises adiabatically to a final location at 900mb
Illustrate what is the absolute pressure at a point that is 9.82 cm below the ethyl alcohol-mercury interface?
With the battery disconnected the compass needle points to the right, in the plane of the coil. The apparatus is located near equator, where the Earth's magnetic field B Earth is horizontal, with a magnitude of 4×10-5 tesla. (Presume that B Earth ..
What percentage of the neutrons would not interact if the concrete slab were made 36.0 cm thick? I know this is 1.305x10^1. B) How many centimeters thick would the concrete need to be so that 18.0 per cent of the neutrons are transmitted?
A point charge of -12 micro-coulombs is fired directly towards a single infinite sheet of charge. It is initially moving at 3.4 m/s towards the sheet and after it has traveled 0.7 meters it is moving at 18.4 m/s.
he box is taken up a mountain where the air pressure outside the box is 8.00 104 Pa. The inside of the box is completely evacuated. Illustrate what is the magnitude of the force required to pull the lid off the box?
Defined time necessary for one complete oscillation
A wave on a Slinky has a frequency of 1.69 Hz. It takes 4.1 s to travel the length of the Slinky (0.29 m). What is the wavelength.
Just after each jumps, that person is moving away from the crate with a speed of 4.40 m/s relative to the crate.
The vertical component of this force is 128 newtons, as the horizontal component is 145 newtons. Calculate the magnitude of F.
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