I. Electromagnetic Waves
II. The ability to work
- Has many forms
- Mechanical
III. Potential energy
- Chemical
- Elastic
- Gravitational
Kinetic energy
- Energy of movement
- Electrical
IV. Nuclear
- Radiant
- Thermal

the bal will not change its velocity.

the given statement is true.

sensory memory lasts for a fraction of seconds before the information is lost. it is the shortest -term memory and can be called as an element of memory. example: when we look at something and remember what it looks like, is just a second of observation. it degrades very quickly. it can also be considered as the process of perception rather than considering it as a memory.