A particle moves from point to point in the -plane

PHYSICS · Subjective · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

A particle moves from point

A(2\,\text{m},\,-1\,\text{m})

to point

B(7\,\text{m},\,9\,\text{m})

in the

xy

-plane. Calculate: (i) the magnitude of its displacement, and (ii) the angle that this displacement makes with the positive

x

-axis.