Answer:
1. Mechanical energy
2. Heat/thermal energy
3. Electrical energy
4. Heat energy
5. Electrical energy
Explanation:
Hope this helped!
D
Density is d=m/v
We have mass, it's 540
The volume is length*width*height
So it's 5*6*4=120 cm^3
540/120=4.5 g/cm^3
It's cm^3 because volume is in cubic centimeters.