Answer:
Leading your people into the right direction, and always knowing what is best for you and your people.
Explanation:
is one of these the question
Answer:
No, neutrons have about the same mass as a proton, but both have more mass than electrons.
Hope this helps a bit,
Flips
Answer: 
Explanation:
Given
mass of sled m=5 kg
Elevation 
(coefficient of kinetic friction)
Friction will oppose the motion of the sled while sled weight sin component helps it to move down the incline

Substituting values

Answer:
the mass of a mercury with volume of 263mL = 3559.3 g or 3.56 kg
Explanation:
given:
263 mL liquid mercury
find:
What is the mass of mercury
we know that the density of mercury = 13.5336 g/mL.
now, calculate the mass = volume x density
plugin values into the formula
mass = 263 mL x 13.5336 g/mL.
mass = 3559.3 g or 3.56 kg
therefore,
the mass of a mercury with volume of 263mL = 3559.3 g or 3.56 kg