Correct Answer: Option B

Explanation

Impulse = momentum

Impulse = Force (f) × time (t)

Momentum = mass (m) × velocity (v)

∴ Ft = Final momentum - initial momentum

FT = mv - mu

Since it is initially at rest u = 0

∴ 5 × 5 = mv − m(0)

25 = mv

∴ Final momentum = 25kgms\(^{-1}\)

There is an explanation video available below.

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