42 A 2.3 ke object moving due north at 17 m's made contact with a barrier...

Question

Question

Answer 1

Answer #1

Impulse = change in momentum

Impulse = 2.3 (12 - 17)

Impulse = -11.5

Magnitude of Impulse = 11.5 Kg.m/s

Direction

theta = arctan (17 / 12)

theta = 54.78 degree North of east.

or

theta = 90 - 54.78 = 35.2 degree east of north

Therefore, correct option is A

Answer 2

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