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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?
An object undergoing simple harmonic motion takes 0.19 s to travel from one point of zero velocityto the next such point. Calculate the amplitude of the motion
Treat the ball as a uniform, solid sphere, ignoring the finger holes. Illustrate what is the acceleration of the center of mass of the ball?
A Nextrad wave of 2.70 GHz was sent out. If it took 3.75 ms to get the returning signal from a storm weather system, how far away is the storm
The vibrational energy levels of an HBr molecule are EK = C (K + ½), where C = 5 · 10–20 Joules and K = 0, 1, 2,… Each level is singly degenerate: gK = 1. Consider four HBr molecules trapped in a solid matrix such that they are able to undergo vib..
Using the Rayleigh criterion, one concludes that using fixed wavelength light that it is not possible to resolve details less than about
A bird watcher meanders through the woods, walking 0.506 km due east, 0.736 km due south, Determine the magnitude (in kilometers) of the bird watcher's displacement
What is the pressure change in water going from a 3.2- cm-diameter pipe to a 1.8- cm-diameter pipe if the velocity in the smaller pipe is 8.0 m/s
Three blocks are connected on the table as shown below. The coefficient of kinetic friction between the block of mass m2 and the table is 0.355. The objects have masses of m1 = 3.75 kg, m2 = 1.15 kg, and m3 = 1.90 kg, and the pulleys are frictionl..
A turtle ambles leisurely-as turtles tend to do-when it moves from a location with position vector r1,x = 1.49 m and r1,y = -2.77 m in a lettuce garden to another location, with position vector r2,x = 3.77 m and r2,y = -4.19 m, where the lettuce a..
q1. a 36.0 kg uniform beam is attached to a wall with the hinge while its far end is supported by a cable such that the
Lenses
A transformer for an answering machine takes an ac voltage of amplitude170V as its input and supplies a8.4V amplitude to the answering machine. How many turns does the secondary have
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