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In proton-beam therapy, a high-energy beam of protons is fired at a tumor. As the protons...

In proton-beam therapy, a high-energy beam of protons is fired at a tumor. As the protons stop in the tumor, their kinetic energy breaks apart the tumor's DNA, thus killing the tumor cells. For one patient, it is desired to deposit 9.0×10−2 J of proton energy in the tumor. To create the proton beam, protons are accelerated from rest through a 1.1×104 kV potential difference.

What is the total charge of the protons that must be fired at the tumor?

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9.0x10 2 a

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