A 5-kg fish swimming at a velocity of 1 m/s swallows an absent-minded 1-kg fish swimming towards it 4 m/s. Wha tis the speed of the larger fish after lunch?
A 5-kg fish swimming at a velocity of 1 m/s swallows an absent-minded 1-kg fish swimming towards it 4 m/s. Wha tis the speed of the larger fish after lunch? Risposta: Ho trovato #0.17m/s# Spiegazione: Possiamo usare conservation of momentum Il #x# direction: Così: #(5*1)+(1*-4)=(5+1)v# #5-4=6v# #v=1/6=0.17m/s#