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The nuclear reaction that powers the sun is the fusion of four protons into a helium nucleus. The process involves several steps, but the net reaction is simply 4p?4He+energy. The mass of a helium nucleus is known to be 6.64×10?27kg.
a) How much energy is released in each fusion? (Solution found)
b) What fraction of the initial rest mass energy is this energy? (%)
What is sign and magnitude of charge
Compute the impedance of a series R-L-C circuit at angular frequencies of ?1= 1000rad/s , ?2= 715rad/s and ?3= 545rad/s, What is the phase angle of the source voltage with respect to the current
After the first spring compresses a distance of 32.1 cm, the second spring acts with the first to increase the force as additional compression occurs. The car comes to rest 47.0 cm after first contacting the two-spring system. Find the car's initi..
You are walking around your neighborhood and you see a child on top of a roof of a building kick a soccer ball, How tall is the building that the child is standing on
A bat flying in a cave emits a sound and receives its echo 0.37s later. How far away is the cave wall? (Hint: The sound has to travel to the wall and then back again. Use 340 m/s for the speed of sound.)
Clarify the general purposes of the management report. Identify five subject areas or topics which have been recommended for inclusion in the management report.
The car accelerates uniformly to a speed of 2.05 m/s in 13.0 s and then continues at constant velocity.
What is magnitude of the breaking force
An inflated rubber balloon is rubbed with a wool cloth till an excess of a billion electrons is on the balloon. What is the magnitude of the charge on the balloon.
Suppose a uniformly charged (with a linear charge density) wire starts at point 0 and rises vertically along the positive axis to a length. Determine the x-component of the electric field at point. That is, compute near one end of a long wire, in the..
A student is trying to decide what to wear. His bedroom is at 17.0°C. His skin temperature is 36.0°C, Find the net energy loss from his body by radiation in 10.7 min
Two doors of the same unknown dimension lay inline and parallel horizontally to one another (Example: As viewed from above in an architectural drawing.
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