Asked by tyger2020
A satellite moves in a circular orbit of radius 35.793 km. The Earth's radius and mass are Re = 6.37e6 m, and Me = 5.97e24 kg.
For the satellite, calculate the work done to put the satellite in orbit (mass of satellite is 1000 kg).
For the satellite, calculate the work done to put the satellite in orbit (mass of satellite is 1000 kg).
Answers
Answered by
R_scott
use the gravitation formula to find the attractive force
... this is also the centripetal force ... m v^2 / r
the work done on the satellite is its kinetic energy ... 1/2 m v^2
... this is also the centripetal force ... m v^2 / r
the work done on the satellite is its kinetic energy ... 1/2 m v^2
Answered by
bobpursley
Work done= change in PE + change in KE.
change in PE= GMm (1/re^2 -1/(re+1000)^2)
change in PE= GMm (1/re^2 -1/(re+1000)^2)
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