Question

Two metal balls with the same mass hang so that they are touching each other. The ball on the left is pulled to the side and released. What will happen when it swings back and hits the ball on the right?(1 point)%0D%0AResponses%0D%0A%0D%0AThe ball on the right will swing to the right.%0D%0AThe ball on the right will swing to the right.%0D%0A%0D%0ABoth balls will swing to the left.%0D%0ABoth balls will swing to the left.%0D%0A%0D%0AThe ball on the left will stop, and the ball on the right will remain still.%0D%0AThe ball on the left will stop, and the ball on the right will remain still.%0D%0A%0D%0ABoth balls will swing to the right.

Answer 1

The ball on the right will swing to the right.

Explanation: For two identical masses in an (approximately) elastic head‑on collision, the moving ball comes to rest and transfers its momentum to the stationary ball, which moves off with the same speed (Newton’s cradle).