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I was watching a show on the science channel about gas giants; there is something I do not understand. I am not a scientist, so this may be obvious to some. I learned that there a three states of an given physical object; solid, liquid, and gas depending on how cold or hot the object is. An easy example is ice, water and steam from coldest to hottest. So the theory is that Jupiter has a super-heated solid and very dense core that is made up of hydrogen. How does a gas like hydrogen become a solid while being super-heated? Is it that the pressure is so much that the gas is compressed into a solid? If so how much pressure does it take to compress hydrogen into a solid? How does the heat play into the equation?
An electron hit by an X-ray photon of energy 5.0 x 104eV gains 3.0 x 103eV of energy. Determine the wavelength of the scattered photon leaving the site of the collision.
If an object is placed 0.820cm from the objective lens, calculate the distance between the lenses when the microscope is adjusted for a relaxed eye
heat is a energy transferred by virtue of a temperature difference b energy transferred by macroscopic work c energy
A uniform electric field exists in a region between two oppositely charged plates. An electron is released from rest at the surface of the negatively charged plate and strikes the surface of the opposite plate, 1.5 cm away, in a time 5.9 x 10-8 s. (a..
A 12.6 µC particle with a mass of 2.80 × 10-5 kg moves perpendicular to a 1.02T magnetic field in a circular path of radius 22.6m. How fast is the particle moving in meters per second
A disk-shaped merry-go-round of radius 3.02 m and mass 169 kg rotates freely with an angular speed of 0.692 rev/s. What is the final angular speed of the merry-go-round
a charge of -4.0 nc is at the origin and a second charge of 11.0 nc is at x 5.00 m. find the magnitude and direction
Two particles with Q1 = 50 µC and Q2 = 79 µC are initially separated by a distance of 2.4 m, What is the change in the electric potential energy
The tension in a 2.5-m-long, 1.2-cm-diameter steel cable (? = 7800 kg/m3) is 850 N. What is the fundamental frequency of vibration of the cable
An energy of 0.1 J is stored in the metal ball on top of a Van de Graaff generator. A spark carrying 1 micro coulomb (10^-6 C) discharges the ball. What was the ball potential relative to ground?
Two lenses have focal lengths of 25.0cm and -50.0cm and are separated by 20.0cm. Where is the final image formed
a 0.45 kg croquet ball is initially at rest on the grass. when the ball is struck by a mallet, how long was the mallet in contact with the ball
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