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How much energy would be required to break a helium nucleus into its constituents, two protons and two neutrons? The rest masses of a proton (including an electron), a neutron, and neutral helium are, respectively, 1.00783 u, 1.00867 u, and 4.00260 u. (This energy difference is called the total binding energy of the 42He nucleus.)
Galileo dropped a ball from the tower of Pisa. The ball hit the ground in 3 seconds. what was the speed on striking the ground
A 6 kg block slides along a frictionless horizontal surface. The block is acted on by two forces, a 4.5 N force to the left, and a 7.5 N force to the right. At what rate is the 4.5 N force doing work on the block at the instant when its speed is 4..
An object is 12.0 cm to the left of a thin, diverging lens that has a focal length of magnitude 15.5 cm. Where is the resulting image located
The lower weight is a light bag filled with sand. Assume a pin pokes a hole in the bag and the sand slowly leaks out while the puck is revolving. What would be the puck's speed after all of the sand is gone.
He was supposed to travel due north for 5.6km, but he actuallytraveled 7.8km at 50 degrees north due east. (a) how far and (b) elucidate in what direction must he now travel to reach base camp?
A 1.80Kg brick is sliding next to on a rough horizontal surface at 13.5m/s .If the brick stops in 4.80, how much mechanical energy is lost.
In 0.181s, through a distance of 8.05 m, a test pilot's speed decreases from 88.9m/s to 0m/s. If the pilot's mass is 70 kg, how much work is done against his body.
A uniform electric field of magnitude 445 N/C pointing in the positive x-direction acts on an electron, that is initially at rest. The electron has moved 3.10 cm.
Water at a gauge pressure of 3.0 atm at street level flows into an office building at the speed of 0.40 m/s by a pipe 5.0 cm in diameter. The pipe tapers down to 2.20 cm in diameter by the top floor, 15 m above, where the faucet has been left open. E..
The loaded cab of an elevator has a mass of 3.7 x 10^3 kg and moves 228 m up the shaft in 21 s at constant speed. At what average rate does the force from the cable do work on the cab.
A long coaxial cable length of L consists of a cylindrical metal sheath of radioys b surrounding a solid conducting wire with radious a. defining voltage to be zero at infinity
Illustrate what fractional increase in the tension of one wire lead to the occurrence of 6 beats/s when both wires oscillate simultaneously?
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