Explanation:
At first sight, it doesn’t make sense that both fission and fusion release energy.
The key is in how tightly the nucleons are held together in a nucleus. If a nuclear reaction produces nuclei that are more tightly bound than the originals, then the excess energy will be released.
It turns out that the most tightly bound atomic nuclei are around the size of iron-56.
Thus, if you split a nucleus that is much larger than iron into smaller fragments, you will release energy because the smaller fragments are at a lower energy than the original nucleus.
If instead you fuse very light nuclei to get bigger products, energy is again released because the nucleons in the products are more tightly bound than in the original nuclei.
https://socratic.org/questions/how-are-fusion-and-fission-similar
Answer:
ok... and?
Explanation:
Answer:
Approximately .
Explanation:
Consider one of the equations for constant acceleration ("SUVAT" equations)
,
where
Note that unlike other SUVAT equations, this one does not ask for the time required for the speed of the object to change from to . Since in this problem, time isn't given, this time-less equation would particular useful.
Here
Rearrange the equation to isolate the unknown, :
.
Make sure that all units are standard, so that the unit of the output will also be standard. Apply the equation:
.
Hence the final velocity will be approximately .
A) steel B) copper C) wood D) glass
Answer:
B)Copper
Explanation:
The DC motor is provided with some devices or the parts to periodically change the direction of the current in the motor. way as that of the armature rotation. The split rings are made up of the copper and the spindle connected to it is made of carbon.