Question 11 (Mandatory) (5 points) Saved Explain why acquiring a large excess charge (like by playing in a ball pit or going
down a slide) causes your hair to stand up. Why does your hair go back down as soon
as you touch the ground?

Pls pls pls pls ! describe, in your own words, how you found the epicenter of the earthquake.

On a day when the barometer reads 75.23 cm, a reaction vessel holds 250 ml of ideal gas at 20 celsius. an oil manometer ( ρ= 810 kg/m^3) reads the pressure in the vessel to be 41 cm of oil and below atmospheric pressure. what volume will the gas occupy under s.t.p.?

According to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does maria's voyage take according to samir?