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7 October, 09:11

Calculate the velocity of a 1650 kilogram satellite.

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  1. 7 October, 09:42
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    There's not enough information given to do that calculation.

    - - The question doesn't specify whether the satellite is on the

    shelf in the Vehicle Assembly Building before being installed

    onto the booster, or inside the nose-cone as the rocket is slowly

    being rolled to the launch-pad, or on its ascent to orbit after launch,

    or in orbit. Its velocity in each of these situations is different.

    - - The question reveals only the satellite's mass, but the answer

    doesn't depend on that number. The satellite's velocity depends

    on the speed of the truck or the rocket carrying it, or the size of

    the orbit it's in. The question doesn't give any of these.

    ==> In particular, the size of a satellite's orbit, or its speed in that

    orbit, DO NOT depend on its mass.

    For example:

    There are hundreds of TV satellites ... the ones that match the

    Earth's rotation and appear motionless in the sky. They have

    many different sizes, shapes, and masses, but they're all in the

    same geostationary orbit, 22,000 miles above the equator, and

    they all have the same average orbital velocity, zero displacement

    per (23 hours 56 minutes 4 seconds).
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