https://isaacphysics.org/questions/stationary_points5?board=9b60de46-bb4b-4b3c-9efd-ca476f3e1259&stage=further_a

Please could someone help with Part a2.

I dont really know how to get r into the equation - is the next step supposed to split the fraction in some way?

Please could someone help with Part a2.

I dont really know how to get r into the equation - is the next step supposed to split the fraction in some way?

Working:

(and for part a1 I got m=sqrt(m1m2))

(and for part a1 I got m=sqrt(m1m2))

Oh that is abominable from me

thanks.

thanks.

Original post by mosaurlodon

Oh that is abominable from me

thanks.

thanks.

Tbh, youd done the harder part and its often just a case of putting in the practice to get the last bit of algebraic fiddling sorted. Problems like this are often expressed in terms of the mass ratio as its not the absolute values that matter, rather their ratio/relative masses.

(edited 7 months ago)

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