Mass will remain unchanged, always. His weight, which is the gravitational force acting on that mass will be less in this case.
So the answer is B) he should wire each room in parallel. This is because when the bulbs are in parallel if one part of the parallel circuit is broken (eg when you switch a light off) then the current can still flow to all the other bulbs, meaning they stay turned on. Hope this helps :)
Answer:
Mineral Wool
Explanation:
The mineral wool is a porous material that restricts thermal energy by trapping air in.
Answer:
no its not like the undertow in the ocean
Explanation:
Atomic disguise makes helium look like hydrogen. ... A helium atom consists of a nucleus containing two positively charged protons and two neutrons, encircled by two orbiting electrons which carry a negative charge. A hydrogen atom has just one proton and one electron