A rock is thrown upwards at an angle of 40° with respect to the horizontal. As the rock is rising in its trajectory, the horizontal component of its velocity
A) increases.
B) decreases.
C) remains the same.
D) is zero.
E) Cannot be determined without additional information.

Question

Quizplus · Accepted Answer

The horizontal component of velocity remains constant in projectile motion, as there are no horizontal forces acting on the rock (assuming air resistance is negligible).

A Rock Is Thrown Upwards at an Angle of 40°