Answer:
290 N
Explanation:
Total downward force = Force applied on the door in bringing it down + weight of the door
Total downward force = 80 + 210
Total downward force = 290N
I would probally say,
Can ants survive a plane ride?
Answer:
1. It contains protons,neutrons and electrons which is a true statement for atomic nucleus.
We can also determine number of valence electrons through atomic number by its electronic configuration. (K,L,M.... Shells)
Explanation:
Answer:
B
Explanation:
The particles are bound to each other and they vibrate at an almost undetectable rate.