What are the tow major topics studied by a physicist? a. evolution and matter b. biology and ecology c. energy and motivation d. matter and energy

Matter and energy are the two major topics studied by a physicist.

Option D

Explanation:

The universe is composed of  different types of matter because of which evolution occurs. Due to interaction between matter, energy is released or absorbed as a result. Physics deals with the study of matter and energy and so it is the main area of concentration for the physicists.

Biology and ecology are related to biologists and environmentalists. Evolution is related to the paleontologists where matter forms the basis for the evolution of human kind.

what was the acceleration of the 2 kg cart?

⇒ 16.0 cm/s2

what was the acceleration of the 4 kg cart?

⇒ 8.1 cm/s2

what was the acceleration of the 6 kg cart?

⇒ 5.3 cm/s2