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Which of the following categories of painting was ranked highest in the hierarchy of genres promoted by the French Academy in the eighteenth and nineteenth centuries?

What is the primary purpose of evaluating the validity of a measurement tool in nursing research? To determine the consistency of the tool’s results

In which sampling method are the population divided into subgroups based on specific characteristics, and samples are drawn from each subgroup?

Which sampling method involves selecting individuals from a population in a way that every member has an equal chance of being chosen?

Find the equivalent capacitance of the combination of capacitors shown in the figure, where C1= [c1] F, C2= [c2] F, and C3= [c3] F. Express your answer in F.

The force constant of a spring in a lab spring scale is 100 N/m. The spring is compressed by 0.2 m. How much energy has the spring stored?

Three resistors are connected to a battery as shown in the figure. R1=[R1] Ω, R2=10 Ω, and R3=20 Ω. If the power dissipated in resistor R2 is 40 W, how much power is dissipated in resistor R1 (in W)?

A weight with a mass of 23 kg is attached to a rope that is wound around a cylinder with a radius of 0.050 m at the top of a well. Find the torque the mass produces on the cylinder? (g = 9.81 m/s2.)

Study hard!!!!

Part of an electric circuit is shown in the figure. The known resistances are R1 = [R1] Ω and R2 = 15 Ω. The currents in the circuit are i = 2.0 A and i1 = 0.8 A, as indicated. What is the value of the resistance R3 (in Ω)?