I need the answer to #2 only, #1 is done/correct. A block with a mass of 5.5 kg

ID: 1297140 • Letter: I

Question

I need the answer to #2 only, #1 is done/correct.

A block with a mass of 5.5 kg is dropped from rest from a height of 5.8 m, and remains at rest after hitting the ground.

1)If we consider the system to consist of the block, the ground, and the surrounding air, what is the change in the internal energy of the system?

Your submissions:

Your answer has been judged correct; the exact answer is: 312.939.

2) Which of the following phenomena would NOT happen due to the change in the internal energy of the system?

The molecules of the block vibrate faster.

The molecules of the ground vibrate faster.

The surrounding air molecules move faster.

The sound of the block hitting the ground travels through the air.

All of these phenomena would happen.

2) last option all of these would happen