How can you cause a physical change?

ill give 10 points

After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)

When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is m.

What is the lowest number energy level where a d sublevel is found