Is this equation correct?
d/dt(-μr/|r|) = (μ/|r|³)(r·ṙ)r - μṙ/|r|,
where μ is an arbitrary constant, and r = r(t) is a vector.
Apparently is it, but I don't see how, please explain...
Thanks.
Is this equation correct?
d/dt(-μr/|r|) = (μ/|r|³)(r·ṙ)r - μṙ/|r|,
where μ is an arbitrary constant, and r = r(t) is a vector.
Apparently is it, but I don't see how, please explain...
Thanks.