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1. A cube and a sphere are made of the same material and have the same volume. Both objects are placed on a table. Which object exerts less pressure on the table surface? Explain.
2. Two tightly sealed identical bottles contain samples of the same gas at the same temperature. The pressure in one bottle is twice the pressure in the other. Which bottle weighs more? Explain.
3. The same amount of heat flows into two non-identical bowls of soup, which are initially at the same temperature. Will the two bowls end up at the same temperature? Explain.
4. Would it be possible to keep your kitchen cool by leaving the refrigerator door open? Explain.
5. Explain the difference between temperature and internal energy.
A 67.6 kg person jumps from rest off a 2.91 m-high tower straight down into the water. Neglect air resistance during the descent. Determine the magnitude of the average force
In proton-beam therapy, a high-energy beam of protons are fired at a tumor. Find the total charge of protons that must be fired at tumor
A hole in an aluminum plate has a diameter of 1.179 centimeter at 24oC. Find what is the diameter of the hole at 199oC
Given that the Moon period about the Earth is 27.32 days andthe distance from the Earth to the Moon is 3.84 x 10^8 m, estimate the mass of the Earth
Prepare a paper discussing a plan for an incentives management system; discuss incentives for the leadership team, and the rank and file (operational/productive) workforce. You should pick a college institution: Example: University of Mary Washing..
A player manages to throw a ball that reaches a maximum altitude of 10 m above the launch point, before falling back down.
A computer hard drive typically operates with a rotation speed of 7200 rpm (revolutions per minute).What is the angular acceleration of the drive
A centrifuge whose maximum rotation rate is 11,000 rev/min can be brought to rest in 3.00 s. What is the average angular acceleration of the centrifuge
For any steady flow the streamlines and streaklines are the same. For most unsteady flows this is not true. However, there are unsteady flows for which the streamlines and streaklines are the same. Describe a flow field for which this is true.
Lasers are used extensively in eye surgery to remove unwanted material from the eye or reshape the eye lens. If this energy is delivered to a spot on the eye that is 1.0 mm in diameter, what is the intensity during a pulse
A charge q= +5.80 uC is located in the center of a regular tetrahedron, Find the total electric flux through the tetrahedron, the electic flux through one face of the tetrahedron
What is the electric ?eld strength? The ?ux in this position is measured to be 3.7 x 105 N - mZ/C. Answer in units of N / C.
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