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Determine what is the total negative charge, in coulombs, of all the electrons in a small 0.800 gram sphere of carbon? One mole of C is 12.0 gram, and each atom contains 6 electrons and 6 protons.
Guns on World War II battleships could shell targets 15 km away. Find (a) the minimum launch speed needed to achieve that range and (b) the shell s flight time under these conditions
a charge of 9.3 micro-coulombs is placed at the origin of a coordinate system. another charge of -13.6 micro-coulombs
Which color light is the result of greater energy transition, red or blue, how much energy is needed to return an electron at ground level to the first quantum level? How can it be provided? Explain
A particle with an initial linear momentum of 4.80 kgm/s directed along the positive x-axiscollides with a second particle, which has an initial linearmomentum of 9.60 kg · m/s, directedalong the positive y-axis.
A silver wire has resistivety p = 1.62x10^-8 ?m ana cross sectional area of 5.00 mm^2. what is the displacement current in the wire
A stone is thrown horizontally at 65.0 from the top of a very tall cliff. Calculate its horizontal position and vertical position at 2.00 intervals for the first 10.0. Calculate the horizontal and vertical positions at time = 2 .
a uniform electric field of magnitude 230 vm is directed in the positive x direction. a 11.0 microc charge moves from
A laser used in cutting or drilling metals produces 10 ns pulses at 1.00 J per pulse. what is the peak light intensity at the spot
A 0.45kilogram ball is attaches to the end of a rope that is 1.4meter. The ball is whirled in a circular horizontal plane. Find the maximum speed before the rope breaks
Two balls undergo a perfectly elastic head-on collision, with one ball initially at rest. If incoming ball has a speed of 200 m/s. What is the final speed of the incoming ball if it is much more massive than stationary ball.
It is desired to cool iron parts from 500°F to 100°F by dropping them into water that is initially at 55°F. how many kilograms of water are needed per kilogram of iron
The diameter of a blood vessel narrows by 70% due to the presence of a plaque on the blood vessel walls. what is the systolic blood pressure in the narrowed vein (in mmHg)
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