Science, asked by avinashyadav2123, 11 months ago

plz solve questions no.18

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Answered by mulakkayala343

1

Explanation:

formula m1v1 *m2v2 = m1u1 * m2u2

m1= 400 kg

m2= 4000kg

v1 = 72 km/h

v2= l cannot see the value

u1= 18 km/h

u2= x km / h

x= ?

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