Respuesta :

thompsonwilliams73

Answer: u=(mv-ft)/m

Step-by-step explanation: f=m(v-u)/t

Multiply both sides of the equation by t

f×t = m(v-u)/t ×t

Simplifying, ft = m(v-u)

Expanding the brackets,

ft = mv-mu

By transfer of terms,

mv - ft = mu

Dividing both sides by m,

(mv-ft)/m = u

Hence, u= (mv-ft)/m

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