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Imagine a very heavy cube of pure gold that is 1.40 m on a side. Approximate the atoms in this cube as little cubes. The density of gold is approximately 19.30 g/cm3 . Its atomic number is 79, and its atomic mass is 197.0. The latin name for gold is aurum. The price of gold fluctuates, but approximate it as $50 USD/g. Suppose all the little cubes in the expensive and heavy chunk of Au were lined up end to end. How far would the line stretch? How long would it take a beam of light to travel from one end to the other of the line of atoms?
A spring of negligible mass stretches 3.00 cm from its relaxed length when a force of 7.50 N is applied. What is the maximum velocity of the wave
for circular parallel plate capacitor whose radius is 0.1 m and which the separation between the plates is 2mm what is
A uniform upward directed electric field of magnitude 1.4*10^-6 N/C has been setup between tow horizontal plates by charging the lower plate positively abnd the lower plate negatively, what is the vertical deflectio of the mass when it exits the pl..
the horizontal and the chair slides along the floor. Using Newton's laws, compute the magnitude of the normal force that the floor exerts on the chair.
A speedy tortoise can run at 0.01 meters per second and a hare can run 21 times as fast. In a race they both start at the same time; however the hare stops to rest for 1.50 minutes. So the tortoise wins by a shell (20 cm).
X rays diffract from a crystal in which the spacing between atomic planes is 0.179nm. What is the angle of the first-order diffraction
The acceleration of a particle is given by ax(t)=? 2.10m/s2 +( 3.03m/s3 )t, What will be the velocity at time t = 3.94s
The fresh water behind a reservoir dam is 15.0 m deep.A horizontal pipe 5.00 cm in diameter passes through the dam9.5 m below the water surface. What volume of water flows out of the pipe in 5.0 hours
What is the speed of the water leaving the nozzle
A 34cm diameter wheel accelerates uniformly about its center from 130rpm to 370rpm in 4.8s. Determine the radial component of the linear acceleration of a point on the edge of the wheel
In a single-slit diffraction pattern produced by electromagnetic radiation from a distant source passing through a slit of width a, What is the wavelength of the electromagnetic radiation
A moving particle encounters an external electric field that decreases its kinetic energy from 9710 eV to 8150 eV as the particle moves from position A to position B. Determine the charge of the particle
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