Proton-beam therapy involves firing high-energy protons at a tumor. The protons burrow into the tumor, coming to rest. The change in the kinetic energy of the protons goes into the tumor, bursting its DNA, thus killing its cells. In one case, it is desired that 0.10 J of proton energy be deposited in a tumor. To cre- ate the proton beam, the protons are accelerated from rest through a 10 MV potential difference. (a) What is the total charge of the protons that must be fired at the tumor to deposit the required en- ergy?
Proton-beam therapy involves firing high-energy protons at a tumor. The protons burrow into the tumor, coming to rest. The change in the kinetic energy of the protons goes into the tumor, bursting its DNA, thus killing its cells. In one case, it is desired that 0.10 J of proton energy be deposited in a tumor. To cre- ate the proton beam, the protons are accelerated from rest through a 10 MV potential difference. (a) What is the total charge of the protons that must be fired at the tumor to deposit the required en- ergy?
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Not sure if I setup this problem correctly. Can't you just divide 0.10J by 10MV to get the amount of charge?
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