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The atomic mass number of copper is A=64. Suppose that atoms in solid copper form a cubic crystal lattice. To envision this, imagine that you place atoms at the centers of tiny sugar cubes, and then stack the little sugar cubes to form a big cube. If you dissolve the sugar, the atoms left behind are in a cubic crystal lattice.
What is the smallest distance among two copper atoms?
To stop a car, first you require a certain reaction time to begin braking; then the car slows under the constant braking deceleration. What is your reaction time
A 800-N passenger in a car presses against the car door with a 200N force when the car makes a left turn at 13 m/s. The (faulty) door will pop open under a force of 800N.Of the following, the least speed for which the passenger is thrown out of the c..
The secondary voltage of an ignition transformer in a furnace is 14.5 kV. When the primary operates at an rms voltage of 100 V, What is the impedance in the secondary
the edges of a cube consist of equal resistors of resistance r which are joined at the corners. let a battery be
Consider again the long wire near a small wire rectangle. The long wire is part of a circuit. The circuit is small enough that all the approximations we've used in class are good, but the wire near the rectangle is much longer than the rectangle. ..
a wheel that is rotating at 33.3 rads is given an angular acceleration of 2.15 rads2. through what angle has the wheel
What is the mass of the CORE of the Sun?
A window pane of dimensions 0.75 m x 0.65 m is installed on a day when the temperature is 35F. What is the percent change in the area of the glass
How much work is completed by the Moon's gravitational field as a 915kg meteor comes in from outer space and impacts on the Moon's surface.
A proton (q = 1.60×10?19C , m = 1.67×10?27kg)moves in a uniform magnetic fieldB? =( 0.490T )i^. What is the magnitude of the magnetic force acting on the proton
A bat emits a sound whose frequency is 70.9 kHz. The speed of sound in air at 20.0 oC is 343 m/s. However, the air temperature is 40.4 oC, find the wavelength of the sound
Light moving from glass to air changes wavelength from 448.5 nm to 653.7 nm. find the frequency of the light in air
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