In parallel, the total capacitance is the sum: C_total = C1 + C2 = 3 µF + 6 µF = 9 µF.

In parallel, the total capacitance is the sum: C_total = C1 + C2 = 3 µF + 6 µF = 9 µF.

For capacitors in series, 1/C_eq = 1/C1 + 1/C2. Thus, 1/C_eq = 1/4 + 1/6 = 5/12. Therefore, C_eq = 2.4 microfarads.

The formula for total capacitance in series is 1/C_eq = 1/C1 + 1/C2. Thus, 1/C_eq = 1/3 + 1/6 = 1/2, so C_eq = 2μF.

In a parallel circuit, the total current is the sum of the currents in each branch: I_total = 2 A + 3 A + 5 A = 10 A.

In a parallel circuit, the total current is the sum of the currents in each branch: I_total = I1 + I2 = 3 A + 5 A = 8 A.

Energy (E) stored in a capacitor is given by E = 0.5 * C * V^2. Thus, E = 0.5 * 20 x 10^-6 F * (10 V)^2 = 0.1 joules.

Total Mechanical Energy (TME) = Potential Energy + Kinetic Energy = 50 J + 30 J = 80 J.

In a series circuit, total resistance (R_total) is the sum of individual resistances: R_total = 4 + 6 + 10 = 20 ohms.

Work done (W) = Force (F) × Distance (d) = 15 N × 4 m = 60 J.

Work done = F × d × cos(θ) = 25 N × 4 m × cos(60°) = 25 N × 4 m × 0.5 = 50 J.

Work done (W) = PΔV = 1 atm * (2 L - 4 L) = 2 L·atm.

Work done = Fd cos(θ) = 25 N × 4 m × cos(60°) = 25 N × 4 m × 0.5 = 50 J

Work done (W) = F × d = 25 N × 8 m = 200 J.

Work done (W) = Force (F) × Distance (d) = 5 N × 3 m = 15 J.

The bouncing back of sound waves from a surface is called reflection.

Ultrasonic sound refers to frequencies above 20 kHz.

Sound waves are longitudinal waves, where the particle displacement is parallel to the direction of wave propagation.

Sound travels fastest in solids; hence, the speed of sound in steel is higher than in air, water, or wood.

Sound travels fastest in solids, and steel is a solid material that conducts sound well.

Sound travels fastest through solids like steel due to closely packed molecules.

The photon is the force carrier for electromagnetic interactions.