Action and reaction are equal in magnitude and opposite direction by they don't balance each other because they don't occur on the same body. Action is involved on one body and reaction is involved on another body.
Hope you understood...
Answer:
Since the momentum of the body remains constant ( conserved) the trolley slows down (its velocity reduces) since its mass increases.
The amplitude of the wave is the 'full height of the wave.' Amplitude is measured in m (meters) and is measured over the change of a single period.
The correct answer is the third, It reflects the green light waves and absorbs most of the rest.
The mitochondria is the powerhouse of the cell because it takes nutrients and breaks it down to provide energy for the cell.
