Module $14,$ Question $6$

The International Space Station orbits the Earth in a circular orbit that has a radius of:

$$r$=6\mathrm{.}74$x$106$mr$=6\mathrm{.}74$x$106$m$$

We also know that the mass of the Earth is ME$=5\mathrm{.}97$x$1024$kgME$=5\mathrm{.}97$x$1024$kg$$and the value of the universal gravitational constant is $$G$=6\mathrm{.}67$x$1011$N$$m$2/$kg$2$G$=6\mathrm{.}67$x$1011$N$$m$2/$kg$2.$

Question $6$a

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Calculate how long $($in minutes$),$ the space station takes to make one complete orbit.

$\_\_\_\_\_\_\_$ minutes

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Question $6$b

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Calculate the speed of the space station, in m$/$s$.$

$\_\_\_\_\_\_\_$ m$/$s