Определите общее сопротивление цепи.
R1=R2=R3=10 Ом.
Пожалуйста прошу ВАС Помогите срочно)

Let f(x) = x4- 8x2 . find the relativeextrema of this function using the second derivative test.

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.?

Match each scenario to the form of energy it represents