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A single 215Rn nucleus, initially at rest, emits an alpha particle as it decays into a 211Po nucleus. There are no other decay products, and the kinetic energy of the alpha particle is measured to be 1.390 × 10-12 J. What is the total amount of nuclear potential energy, in joules, that was released in this process?
What is the difference between the original mass of the 215Rn nucleus and the total mass of the fragments (211Po and alpha particle) after the decay?
A particle has a charge of -3.00 nC. A.) Find the magnitude and direction of the electric field due to this particle at a point 0.250 directly above it. B.) Upward or downward? C.) At what distance from the particle does its electric field have a ..
A stationary radar operator determines that a ship is 11.00 km south of him. An hour later the same ship is 24.0 km southeast. If the ship moved at constant speed and always in the same direction, what was its velocity for the duration of this tim..
find the final temperature when 1000 g of water at 20 celcius in a 125 g copper calorimeter is mixed with 50g of steam originally at 153 celcius.
what would the period of the system be. When a particular mass-spring system is started by stretching the spring 5 cm, one complete oscillation takes 2 seconds.
The first puck is deflected 38 below the +x axis and moves off at 0.37 m/s. Find out the speed and direction of the second puck after the collision.
How fast would it be moving after it had fallen a distance of 0.010-m? (Assume that the gravitational force is constant over the distance of the fall, and that the star is not rotating.)
an electron and a proton are each accelerated through a potential difference pf 10.0 million volts. Find the momentum ( in MeV/c) and the kinetic Energy ( in MeV) of each and compare with the results of using the classical Formular.
Physics - Mechanics - Buoyant Force, An undersea research chamber is spherical with an external diameter of 5.40 m. The mass of the chamber, when occupied, is 70400 kg.
suppose that the engineer is at x = 0 when, at t = 0, he first spots the locomotive. Sketch x(t) curves for the locomotive and high-speed train for the cases in which a collision is just avoided and is not quite avoided. Do this on paper. Your ins..
The ice has a thickness of 4.75 10-4 m, and the windshield has an area of 1.25 m2. The density of ice is 917 kg/m3. Explain how much heat is required to melt the ice?
What is the direction of this velocity. What is the magnitude of the velocity.
A baseball outfielder throws a 0.150 kg baseball at a speed of 39.0 m/s and an initial angle of 33.0°. What is the kinetic energy of the baseball at the highest point of its trajectory.
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