Respuesta :

Momentum is described as the result of the calculation of mass multiplied by that thing's velocity. 

In equational formula we can write it: 


P (momentum) = m(mass) * v(velocity) 


so to find the mass, revert the equation: 

P = m v 

m = P / v 

now for the value entry, 

m = 2.5 * 10^4 kgm/s / 30 m/s 


m = 8,3 * 10^2 kilograms 


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Answer:

B.  8.3 × 10^2 kilograms

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