Uranium-238 undergoes alpha decay. In addition to the alpha particle, which isotope forms?
238 U - ? + 4 2 He
A. 234 Pu
92
B. 242 Pu
94
C. 234Th
90
D. 242Th
94
the answer is c

Me pl give an example of a collision in real life. use the law of conservation of energy to describe the transfer of momentum. be sure and discuss the momentum before and after the collision occurs. you will need at least 3 sentences to thoroughly answer this question.

First answer marked as brainiest which is the correct equation describing the first law of thermodynamics? a) when the internal energy of a system changes, it equals the amount of heat added plus the work done. b) when work is done by the piston, it is equal to the heat added plus the change in internal energy of the system. c) when heat is added to the system, it is equal to the amount of work done by the piston plus the change in internal energy of the system.

Difference between natural and artifical magnet