Answer:
B
Explanation:
Because blocks 2 and 3 have sides with unequal forces while block 1 doesnt. Plz drop a follow if this helps! ❤
The Doppler Effect is the change in frequency or wavelength of a wave for an observer moving relative to its source. It is named after the Austrian physicist Christian Doppler.
Answer:
The law of reflection (in physics) states that when a light ray is incident on a plane surface, the incident ray, the reflected ray and the “normal” to the surface of the mirror all lie in the same plane. It also states that the angle the incident ray makes with the normal is equal to the angle that the reflected ray makes with the normal.
<span>When an electron in a hydrogen atom moves from a higher to a lower energy state, "Energy Emits" that difference is equal to quantum of light
Hope this helps!</span>
He invented the first microscope, and was the first person to really see multi-cellular organisms. His contribution to the scientific world was huge.
That's all I got, sorry
