00:01
Hello, in the question it is given, the mass of the moon, so let us indicate it as m suffix m, that is given 7 .35 into 10 to the power 22 kg, and the radius of the moon is given, that is r suffix m, that value is 1 .7 into 10 to the power 6 meter.
00:35
And we need to calculate the escape velocity of the moon, that is v suffix m, that is we need to calculate it.
00:54
So escape velocity, the equation, ee is equal to square root 2gr, so in this case, r radius of moon, where g is given by capital letter g, m, divided by r square.
01:16
This is the general equation for m for the moon it will be mass of moon and radius of moon and when we substitute here in the place of g g m rm divided by rm square and one r gets cancelled so the remaining two g m m divided by rm so this will be the equation to calculate escape velocity for moon...