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Why is there far more matter than antimatter in the observable universe?Ans) It may have to do with the way the universe was created. Certainly if there was a lot of antimatter created, much of it may well have come in contact with matter through the billions of years the universe has existed. That would have resulted in the conversion of that antimatter (along with a like amount of matter) into energy. There may not have been much antimatter around to begin with, too. But, since the amount of visible matter represents less matter than has been calculated to exist in the uinverse, it may be that there is a good bit of antimatter out there somewhere. Not likely, but possible.
A 2350-kg granite tombstone absorbs 2.8 x 10 7 J of energy from the Sun to change its temperature from 5.0°C at night to 20.0°C during an autumn day. Verify the specific heat
Tungsten: Atomic number 74 Symbol W Atomic weight 183.85 Discovery Purified Tungste
When a metal is illuminated with radiation with a wavelength of 152 nm, photoelectrons are ejected with a velocity of 7.9 x 10 5 m/s. What is the work function, in eV, of th
The cable will fail when the tension is P54 kN. For a Factor of Safety of 1.5 for the cable, determine the largest vertical load P that the frame will support, and then for that lo
The thrust developed to propel the jet ski shown in Fig is a result of water pumped through the vehicle and exiting as a high-speed water jet. For the conditions shown in the Fig,
Diffraction pattern of a single slit of width 0.5 cm is formed by lens of focal length 40 cm. Calculate the distance between the first dark and the next bright fringe from the axis
The contribution of ionic polarization takes account of the fact that when in a molecule some of the atoms have an excess positive or negative charge (resulting from the ionic char
What is a hypothesis for a Hooke''s Law experiment which was completed with a single, series and parallel spring arrangement?
Show any two applications of beats. What are "Echelon effects" and "Focusing"?
A rectangular surface (0.14 m x 0.39 m) is oriented in a uniform electric field of 440 N/C. What is the maximum possible electric flux through the surface?
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