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In proton-beam therapy, a high-energy beam of protons are fired at a tumor. As the protons stop in the tumor their kinetic energy breaks apart the tumor's DNA, thus killing the tumor cells. For one patient, it is desired to deposit 0.12 Joule of proton energy in the tumor. To create the proton beam, protons are accelerated from rest through a 9000 kV potential difference.
Find the total charge of protons that must be fired at tumor?
A rotating cylinder about 25 km long and 9 km in diameter is designed to be used as a space colony. with what angular speed must it rotate so that residents on it would experience the same acceleration due to gravity as on earth? In radians per se..
To the Amazon (EPM = Evil Physics Monkey) With his limited resources the EPM decides that the best way to get to his chosen destination (the Amazon rain forest) is by hot air balloon. How many moles of air are in the balloon
one mole of an ideal gas does 2600 j of work on its surroundings as it expands isothermally to a final pressure of 1.00
An emf is induced in a conducting loop of wire 1.11m long as its shape is changed from square to circular.Find the average magnitude of induced emf if the change in shape occurs in 4.03s and the local 0.135-T magnetic field is perpendicular to the ..
A satellite has a mass of 102 kg and is located at 2.02 106 m above the surface of Earth. find the magnitude of the gravitational force on the satellite
A wooden raft has a mass of 47 . When empty it floats in water (density 1000 ) with 59% of its volume submerged. What mass of sand can be put on the raft without it sinking
A ball of mass 0.9 kilogram and attaching it to the top of the door. Compute how high does the ball now rise on the side with the rod
Another approach to the Lorentz Transformations. Relativists often use a quantity calledrapidity to describe the frame transformations. determine the function f(R)
A particle has a charge of +1.7 ?C and moves from point A to point B, a distance of 0.12 m. The particle experiences a constant electric force, and its motion is along the line of action of the force. The difference between the particle's electric..
An electric field of 16000 N/C is directed along the positive x-axis. What is the electric force on an electron in this field
A 5600 kg mass car is taking a turn at 72 m/s. If the frictional force here is 44,000N, what is the radius of curvature of the turn
A ball of mass 8.9 g with a speed of 22.4 m/s strikes a wall at an angle 14.0o and then rebounds with the same speed and angle. find the magnitude of the impulse associated with the collision force
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