1.

A boy recalls the relation for relativistic mass (m) in terms of rest mass (m_(0)) velocity of particle v, but forgets to put the constant c (velocity of light). He writes m= (m_(0))/((1-v^(2))^(1//2)) correct the equation by putting the missing 'c'.

Answer»

SOLUTION :SINCE quantities of similar NATURE can only be added or subtracted, `v^(2)` cannot be subtracted from 1 but `v^(2) // C^(2)` can be subtracted from 1 .
`:. m = (m_(0))/(SQRT(1-v^(2)//c^(2)))`


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