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Zero potential energy **
Find a geometrical arrangement of one proton and two electrons such that the potential energy of the system is exactly zero. How many such arrangements are there with the three particles on the same straight line? You should find that the ratio of two of the distances involved is the golden ratio.
Calculate the Q value in MeV for the double Beta decay of 128Te (atomic mass 127.904461 a.m.u.) to 128Xe (atomic mass 127.903531 a.m.u.).
a mass of 14 slug is attached to a spring having a spring constant of 1 lbft. the mass is started in motion by
Given R1=16 Ohms, R2=71 Ohms, and R3=47 Ohms, calculate the voltage across resistor R1 if the resistor R1 is in a series with a parallel combination of R2 and R3 and the whole circuit is connected to a 12 Volt battery
question1a 58 kg pole vaulter running at 14 ms vaults over the bar. her speed while she is above the bar is 1.7 ms.
A parallel-plate capacitor has plates of area 0.2 m2separated by a distance of 0.003 m. What is the strength of the electric field between these plates when this capacitor isconnected to a 5-V battery?
A 45 caliber pistol fires a 0.13 kilogram bullet at 340 meters per second into a 2.1 kilogram Kevlar black suspended from a cord. find the difference between the maximum height and the initial height
Helium is used to fill a balloon of diameter 31 cm at 23C and 1.5 atm. The mass of a helium atom is 4.0026 u, the conversion factor from u to kg is 1.66 × 10?27 kg/u, What is the average kinetic energy of each Helium atom
A dare devil is shot out of a cannon at 45.0 degrees to the horizontal with an initial speed of 25.0 m/s. A net is positioned a horizontal distance of 50.0 m from the cannon.
what is the magnitude FN at the highest point. The positive charges are arranged in a square. sides- .10 m the top right is 9 nC bottom right is 3 nC and the bottom left is 1 nC. find the magnitude of the electric field at the fourth corner of the ..
assume the earth to be sphere of a uniform density a what is its rotational energy? take the radius of the earth to be
the plates of a parallel-plate capacitor have a separation of 5.20 mm and each has an area of 15.0cm2 . each plate
A water hose of internal diameter 12.5 mm is used to fill a bucket. It is noted that 8L of fresh water (about 2 gallons) is collected in 1 minute. what is the rate of flow expressed as m^3/sec
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