She does work from the moment she touches the book until she lets it go. Work is anything that requires energy. Therefore, she is working as she picks up the book, carries it, and when she is lifting it onto the shelf.
Explanation:
Particles in solids are always vibrating (moving back and forth) in place.
Fill in the blank --
A radio controlled car rolls 10 m south, then reverses direction and rolls 8 m north.
The car has traveled a distance of 18 m and has a displacement of 2 m south
↑ ↑ ↑ Hope this helps! (The bolded number is the unknown value/blank)
D = 1/2gt^2 <-- free fall formula
d = (0.5)(9.81)(1.5^2)
d = 11.03625
d = 11.04 m
hope this helps and have a great day :)
The atomic number of an atom is how many protons are within its nucleus.
The answer is False
