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An alpha particle (mass 4 u) experiences an elastic head-on collision with a nucleus (mass 192 u) that is originally at rest. (The symbol u represents the atomic mass unit.) What fraction of its original kinetic energy does the alpha particle lose?
A large wooden turntable in the shape of a flat disk has aradius of 2.00m and a total mass of 120kg. Find the angular speed of the turntable after the parachutist lands
In an experiment designed to measure the speed of light, a laser isaimed at a mirror that is 59.0 km due north. A detector is placed138 m due east of the laser. The mirror is to be aligned so thatlight from the laser refelects into the detector.
When a resistor is connected across the terminals of an acgenerator (115 V) that has a fixed frequency, there is a current of0.665 A in the resistor. When an inductor is connected across theterminals of the same generator, there is a current of 0...
What will be the equilibrium temperature while a 238 block of copper at 230 is placed in a 133 aluminium calorimeter cup containing 831 of water at 16.0.
An arrow is shot off the top of a bridge of unknown height. The speed of the arrow at launch is known to be 30.0 m/s. How tall is the bridge
two positive point charges q 80 nc and q 45 nc are held at rest one directly above the other a distance 17 cm apart.
A long jumper leaves the ground at an angle of 20.0o to the horizontal and at a speed of 11.0 m/s. How far does he jump
a wave function has the value a sin x between 0 and iumleuro but zero elsewhere. normalize the wave function and find
a patient is undergoing open-heart surgery. a sustained current as small as 25mua can be fatal. assume that the heart
A 25.5-mW laser beam of diameter 2.08 mm is reflected at normal incidence by a perfectly reflecting mirror. Calculate the radiation pressure on the mirror
a ball is launched directly upward from ground level with an initial speed of 18 ms. air resistance is negligible.a how
Determine the inductance of an LC circuit that is used to receive the signal of a radio station on the frequency 104.7 MHz
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