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anonymous
 4 years ago
r(t) is a position vector. v(t) is r'(t) or the velocity vector, and a(t) is the acceleration vector. u(t) is a unit r(t) vector. Also, F(t)=ma(t)=GMmu(t)/r^2
h(t)= r(t) x v(t)=r^2 u(t) x u'(t)
show that (v(t)xh(t))'=GMu'(t)
somehow I keep getting GMu(t) or (a(t)xh(t)) instead...
anonymous
 4 years ago
r(t) is a position vector. v(t) is r'(t) or the velocity vector, and a(t) is the acceleration vector. u(t) is a unit r(t) vector. Also, F(t)=ma(t)=GMmu(t)/r^2 h(t)= r(t) x v(t)=r^2 u(t) x u'(t) show that (v(t)xh(t))'=GMu'(t) somehow I keep getting GMu(t) or (a(t)xh(t)) instead...

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anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0unfortunately, this is a maths question. lol but I'll try there. thanks :)

UnkleRhaukus
 3 years ago
Best ResponseYou've already chosen the best response.1this is a physics question
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