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)

Question

Responses

Both balls will swing to the right.
Both balls will swing to the right.

The ball on the left will stop, and the ball on the right will remain still.
The ball on the left will stop, and the ball on the right will remain still.

The ball on the right will swing to the right.
The ball on the right will swing to the right.

Both balls will swing to the left.

Answer 1

When the ball on the left is pulled to the side and released, it swings back due to gravity. When it collides with the stationary ball on the right, the first ball transfers its momentum to the second ball.

Since both balls have the same mass and the collision is elastic, the result is that:

• The ball on the left will come to a stop after the collision.
• The ball on the right will swing to the right.

Therefore, the correct response is:

The ball on the right will swing to the right.