Question

Tic energy

15.The energy changes that take place when a stone falls freely from rest to
the ground can be orderly arranged as
A. Kinetic energy → Potential energy
B. Sound energy → Potential energy
C. Potential energy
→ Sound energy
D. Potential energy
16.A ductile material is that which
→ Sound energy
→ Heat.
→ Kinetic energy → Heat.
→ Kinetic energy → Heat.
→ Kinetic energy → Heat energy
→ Sound.​

Answer 1

15.A

Step-by-step explanation:

a falling objects posses kinetic energy whiles objects at rest has potential energy

Answer 2

15. potential- kinetic -potential

16. I don't understand

Ductile materials are materials that can be drawn into wire e.g copper