Question 568: Atoms & Nuclei

Question

A nucleus of uranium decays at rest into nuclei of thorium  and helium. Then

Accepted Answer

In an explosion a body breaks up into two
pieces of unequal masses both part will have
numerically equal momentum and lighter part will
have more velocity.
U $$ 	o $$ Th + He
KE
Th
= $${{{P^2}} \over {2{m_{Th}}}}$$
KE
He
= $${{{P^2}} \over {2{m_{He}}}}$$
since m
He
is less so KE
He
will be more.

Answer

The helium nucleus has more momentum than the thorium nucleus.

Answer

The helium nucleus has less kinetic energy than the thorium nucleus.

Answer

The helium nucleus has more kinetic energy than the thorium  nucleus.

Answer

The helium nucleus has less momentum than the thorium nucleus.

Atoms & Nuclei

A nucleus of uranium decays at rest into nuclei of thorium and helium. Then

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