A skier with a potential energy of 137,200 J waits on top of a ski jump that is 200 m high. What is the mass of the skier?
2 answers:
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The kinetic energy K given to the helium nucleus is equal to its potential energy, which is
where q=2e is the charge of the helium nucleus, and
is the potential difference applied to it.
Since we know the kinetic energy, we have
and from this we can find the potential difference:
where q=2e is the charge of the helium nucleus, and
Since we know the kinetic energy, we have
and from this we can find the potential difference: