A billiard ball travels toward a vertical cushion with its momentum directed 30°…
PHYSICS · Subjective · AP · Physics 1: Algebra-based · Linear Momentum · Linear Momentum
Problem
A billiard ball travels toward a vertical cushion with its momentum directed 30° above the +x-axis. After the collision it leaves the cushion with the same speed, now directed 30° below the +x-axis. Qualitatively describe the direction of the impulse the cushion exerts on the ball.