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Imagine a very heavy cube of pure gold that is 1.23 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?
m
How long would it take a beam of light to travel from one end to the other of the line of atoms?
years
when 105 mL of water at 22 C is mixed with 68mL of water at 95 C, what is the final temperature? suppose no heat is lost to the surroundings and density of water is 1 g/mL.
Two test charges are located in the x-y plane. If q1 = -3.20 nC and is located at x = 0.00 m, y = 1.160 m and the second test charge has magnitude of q2 = 5.00 nC and is located at x = 1.00 m, y = 0.500 m, calculate the x and y components, Ex and ..
Scientists plan to release a space probe that will enter the atmosphere of a gaseous planet. The temperature of the gaseous planet varies linearly with the height of the atmosphere.
If both of them are simultaneously plucked at the center, illustrate what is the frequency of the beats that they will produce when vibrating in their fundamental?
A 128-cm-long pipe is stopped at one end. Near the open end, there is a loudspeaker that is driven by an audio oscillator, What is the lowest frequency of the oscillator that will produce resonance within the tube
A 3.60-{rm m}-long, 430 {rm kg} steel beam extends horizontally from the point where it has been bolted to the framework of a new building under construction. A 66.0 {rm kg} construction worker stands at the far end of the beam. What is the magnitude..
A female gymnast weighs 620 N. If she is hanging stationary from a high bar, how many forces are acting on her.
Follow that with some of her work on repressed memories. After completing your readings on the WebLink, the textbook, and the PowerPoint presentation, address the prompts for your assignment.
A proton, initially traveling in the +x-direction with a speed of 5.00×105m/s, enters a uniform electric field directed vertically upward, What is the strength of the electric field
What is direction of the resultant velocity
A grandfather's clock is calibrated at a temperature of 20 C. The pendulum is a thin brass rod with a heavy mass attached to the end. On a hot day, when the temperature is 30 C, does the clock run fast or slow? How much time does it gain or lose i..
A member of an aircraft maintenance crew wears protective earplugs that reduce the sound intensity by a factor of 350. When a jet aircraft is taking off.
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