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a) calculate the energy released by the alpha decay of 222Rn.
b) calculate the alpha radiation energy.
c) calculate the energy of recoil nucleus.
d) calculate the range of the alpha particle in water.
A capacitor is consists of two short sections of parallel wires in air. One wire is found to be of the voltage of 58 V, What is the capacitance of the two wires
A horizontal force of 750 N is needed to overcome the force of static friction between a level floor and a 250 kg crate. What is the acceleration of the crate if the 750 N forces is maintained after the crate begins to move and coefficient of kine..
An electron moves from the initial position r = (0.1m)I to final position r=(0.2m)j. what is the surface charge density (i.e. charge per area) on the inner surface of the conducting sphere
A 71kg student runs at 6.0m/s , grabs a hanging rope, and swings out over a lake. He releases the rope when his velocity is zero, What is the angle when he releases the rope
A man pushes a wooden crate on wooden floor. The direction of the force is 30o downward relative to the horizontal, How much force does he use in order to maintain a constant speed
A tennis player standing 10.2 m from the net hits the ball at 3.60° above the horizontal. To clear the net, the ball must rise at least 0.322 m. how fast was the ball moving when it left the racquet
A woman walks for 4 min directly north with a average velocity of 6 km/h; then she walks eastward at 4 km/h for 10 min. What is the magnitude of her average velocity
A 105 granite cube slides down a 40 frictionless ramp. At the bottom, just as it exits onto a horizontal table, it collides with a 265 steel cube at rest. How high above the table must the granite cube be released to give the steel cube a speed of..
In the figure particles with charges q1 = +5e and q2 = -13e are fixed in place with a separation of d = 21.3 cm, what are the finite positive and negative values of x
An intergalactic rock star bangs his drum every 1.52 s. A person on earth measures that time between beats is 2.10 s. How fast is the rock star moving relative to the earth.
question1a 100 kg of water in a closed insulated autoclave is heated from 20 to 90 degc by a heating coil made of 12 m
Two uniform infinite sheets of electric charge densities 48.0 C/m2, Find the magnitude of the electric field everywhere
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