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The initial and final velocities of an object of mass 5 kg a...

The initial and final velocities of an object of mass 5 kg are u=(13) and v=(47) respectively. Find the magnitude of its change in momentum.

A.

25

B.

15

C.

37

D.

10

Correct answer is A

Change in momentum = m (v - u)

= 5×((47)(13))

= 5×(34)

= (1520)

|m(vu)|=152+202=625=25