The answer is C -
because reversibility means when taking a break it'll be hard to get back on schedule
The only thing in either one of those formulas that we don't know is the mass of the book.
the answer your looking for is Optical instrument.
Momentum = mass x velocity
m=7.3kg
v=20 m/s
momentum= 7.3(20) = 146 kg m/s
Answer:
The nervous system is the major controlling, regulatory, and communicating system in the body. It is the center of all mental activity including thought, learning, and memory. Together with the endocrine system, the nervous system is responsible for regulating and maintaining homeostasis.
Explanation:
