A 0.20 kg puck on nearly frictionless ice has initial velocity

PHYSICS · Subjective · AP · Physics 1: Algebra-based · Linear Momentum · Linear Momentum

Problem

A 0.20 kg puck on nearly frictionless ice has initial velocity v⃗0=(3.0 i^+4.0 j^) m/s\vec v_0 = (3.0\,\hat i + 4.0\,\hat j)\,\text{m/s}. After being struck, its velocity is v⃗f=(−2.0 i^+1.0 j^) m/s\vec v_f = (-2.0\,\hat i + 1.0\,\hat j)\,\text{m/s}. Calculate the magnitude of the impulse delivered to the puck. Provide your answer with appropriate units.

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