estion $19(5$ points$)$

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is standing on a train station platform that $($measured by him$)$ is $25$ meters in gth$.$ Frank is riding on a train that passes the platform and is traveling at $\mathrm{.}5$c$.$ What th does Frank measure for the platform?

$1\mathrm{.}65$ m

$2\mathrm{.}50$ m

$\mathrm{.}00$ m

$87$ m