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The drawing shows sodium and chloride ions positioned at the corners of a cube that is part of the crystal structure of sodium chloride (common table salt). The edge of the cube nm (1 nm = 1 nanometer = 10-9 m) in length. Find the distance (in nanometers) between the sodium ion located at one corner of the cube and the chloride ion located on the diagonal at the opposite corner.
My moter has effciency of 80% with a flywheel attached to its shaft. The flywheel had a diamter of 2 ft and weighs 40 pounds. What is the input power in watts
a crossed-field velocity selector has a magnetic field of magnitude 0.045 t. the mass of the electron is 9.10939 times
what is the new value of energy stored in it. What is the force that is acting between them.
A diving bell with interior air pressure equal to atmospheric pressure is submerged in Lake Michigan at a depth of 142.1 m. What is the magnitude of the net force on the viewing port
a 3500-kg vehicle moving east at 50 kmh collides head-on with a6000kg vehicle moving west at 40 kmh. the two vehicles
Suppose the speed of light in a vacuum were only 25.5 mi/h. Find the length of the bicycle being ridden at a speed of 20.0 mi/h as measured by an observer sitting on the park bench, given that its proper length is 1.59 m.
A spacecraft approaching the earth launches an exploration vehicle. After the launch, What is the speed of the exploration vehicle relative to the spaceship
A car is coasting along at 20 m/s on a road along the top of a hill that is 100 meters high. how fast is it going when it reaches the bottom
Since the vehicles stick together after the collision and take the direction of the large truck (greater momentum), I guessed that the small car would have a greater change in kinetic energy.
A coil is formed by winding 280 turns of insulated 14 gauge copper wire (diameter = 1.6 mm) in a single layer on a cylindrical form of radius 13 cm. What is the resistance of the coil? The resistivity of copper is 1.69 10-8 ·m. Neglect the thickness ..
A bicyclist of mass 78 kg putsall his weight on each downward-moving pedal as he pedals up asteep road. determine the magnitude of the maximum torque he exerts
A capacitor with its plates separated by paper stores 4.8 of charge when it is connected to a particular battery. An otherwise identical capacitor, How much charge does that capacitor store
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