A body of mass 5kg movimg with a velocity of 30ms-1 due east is suddenly...

WAEC 2009

A body of mass 5kg movimg with a velocity of 30ms^-1 due east is suddenly hit by another body and changes its velocity to 50ms^-1 in the same direction. Calculate the magnitude of the impulse received.

A. 100Ns
B. 150Ns
C. 250Ns
D. 400Ns

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Correct Answer: Option A

Explanation

I = Ft = m(v - u)

= 5(50 - 30) = 100

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A body of mass 5kg movimg with a velocity of 30ms-1 due east is suddenly...

Correct Answer: Option A

Explanation

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