Planet X$!$ When venturing forth on Planet X $,$ you throw a $5\mathrm{.}24$ kg rock upward at $13\mathrm{.}0\frac{m}{s}$ and find that it returns to the same level $1\mathrm{.}51$ s later.

Question $1$

$1$ pts

What does the rock weigh on Planet X $[$in newtons$]?$

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