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In an atomic physics experiment, two atoms collide with each other in such a way that the initial total momentum of the atoms is zero The atoms are chosen so that M2 =4.0 M1 In the collision, the atom Ml has a final velocity. V1f=-0.20 V1i. What is the ratio of the final kinetic energy to the initial kinetic energy of the system (the two atoms)? In other words, what is KEfinal / KEinitial in this collision?
A 50 turn square coil of length 6.00 cm and width 5.00 cm, is rotated at 20.0 rad/s in a 3.00 T magnetic field. What is the voltage amplitude
a short bar magnet has a magnetic moment of 0.48 j t-1. give the direction and magnitude of the magnetic field produced
If a capacitor has a capacitance of 10 µF and we wish to increase the potential difference across the plates by 50 V, how much charge will we have to add
an electron and a proton starting from rest are accelerated through an electric potential difference of the same
a prospective cohort study is run to estimate the incidence of stroke in persons 55 years and older. all participants
A block of mass 0.247 kilogram is located on top of a light, vertical spring of force constant 4 950 N/m, Find to what maximum height above the point of release does it rise
A 13.5-g bullet is fired into a block of wood at 253 m/s. The block is attached to a spring that has a spring constant of 205 N/m. determine the mass of the wooden block
Two capacitors are connected in series. Let 3.10 µF be the capacitance of first capacitor, 5.10 µF the capacitance of the second capacitor, Calculate the potential difference across each capacitor
if the mass of the diver is 134kg and the board is 9m long, illustrate what is the torque due to gravity on the diving board with a pivot point at the fixed end of the board?
Two identical conducting small spheres are placed with their centers 0.300 m apart. One is given a charge of -12.0 nC, and the other a charge of -14.0 nC. Find the electric force exerted by one sphere on the other
The two observers move on the surface of a shell with a fixed radius with the light source at its centre. They move along a circular path on the sphere. They move at different velocities u and v. Will they experience time dilation relative to each..
A 56 kg woman cheats on her diet and eats a 590 Calorie (540 kcal) jelly donut for breakfast. How many joules of energy are the equivalents of one jelly doughnut?
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