An ice-hockey puck of mass slides on a frictionless surface with a velocity given by .

PHYSICS · Multi-part · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

An ice-hockey puck of mass

0.15\,\text{kg}

slides on a frictionless surface with a velocity given by

\vec v = 6\,\hat i + 8\,\hat j\;\text{m/s}

. (i) Determine the momentum vector

\vec p

of the puck. (ii) Find the magnitude of its momentum.