A projectile is traveling with velocity components and

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

A projectile is traveling with velocity components

v_x=-18\,\text{m/s}

and

v_y=-24\,\text{m/s}

. What are the projectile’s speed and the angle it makes below the negative

x

-axis? (a)

30\,\text{m/s}

37^{\circ}

below the

-x

axis (b)

42\,\text{m/s}

53^{\circ}

below the

-x

axis (c)

30\,\text{m/s}

53^{\circ}

below the

-x

axis (d)

30\,\text{m/s}

53^{\circ}

above the

-x

axis