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(a) Write the decay equation for the α decay of 235 U.
(b) What energy is released in this decay? The mass of the daughter nuclide is 231.036298 u.
(c) Assuming the residual nucleus is formed in its ground state, how much energy goes to the α particle?
Three positive charges are located in the x-y plane (see plot below), with Q1=2.10C, Q2=3.20C and Q3=4.30C. Note that the charges are located at grid intersections, and that the x and y coordinates are in cm.
Two wires are identical, except that one is silver (resistivity = 1.59×10-8 ?·m) and the other is platinum (resistivity = 1.06×10-7 ?·m). The silver wire has resistance of 1.56 m?. What is the resistance of the platinum wire?
A common telephoto lens for a 35-mm camera has a focal length of 200mm; its f -stops range from f/2.8 to f/22. What is the corresponding range of aperture diameters
A speed skater goes around a turn that has a radius of 31 m. The skater has a speed of 12 m/s and experiences a centripetal force of 460 N. What is the mass of the skater
a large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a frictionless vertical
A compressed-air cylinder is known to fail if the pressue exceeds 100 atm. What is the pressure inside the cylinder during the fire
Assume the square wire loop is replaced with a smaller one, made of the same wire that is 0.02 m on a side, half as long as the original.
a 120 g copper calorimeter cup contains 220 cm3 of water and 35 g of ice all in thermal equilibrium. a 185 g piece of
Jamal pulls a 150-N sled up a 28.0 degrees slope at constantspeed by a force of 100 N. Near the top of the hill he releases the sled. With what acceleration does the sled go down the hill?
the football has a mass of .40kg and the quarterback that threw the ball accelerated it from rest to 25 m/s in a distance of .60m. what force did the player's hand exert on the ball
The position of a particle moving along an x axis is given by x = 14.0t2 - 3.00t3, where x is in meters and t is in seconds. find the maximum positive velocity reached by the particle
Illustrate what is the time it takes for the bullet to hit the ground, how far down range does the bullet travel, and what is the resultant velocity (in m/s) and final angle?
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