Question

Напишите все формулы для расчёта мощности(это задание)

Answer 1

P=A/T=(U*q)/t=U*I=(U*U)/R=I*I*R=Q/t

Answer 2

Formulas for Calculating Power

Power (P) is the rate at which work is done or energy is transferred. It is measured in watts (W). The formulas for calculating power depend on the specific context and variables involved. Here are some commonly used formulas for calculating power:

1. Electrical Power: - The power in an electrical circuit can be calculated using the formula: P = VI, where P is power in watts, V is voltage in volts, and I is current in amperes.

2. Mechanical Power: - The power in a mechanical system can be calculated using the formula: P = Fv, where P is power in watts, F is force in newtons, and v is velocity in meters per second.

3. Power in a Rotating Object: - The power in a rotating object can be calculated using the formula: P = τω, where P is power in watts, τ (tau) is torque in newton-meters, and ω (omega) is angular velocity in radians per second.

4. Power in Fluid Flow: - The power in a fluid flow can be calculated using the formula: P = Qρgh, where P is power in watts, Q is volumetric flow rate in cubic meters per second, ρ (rho) is density of the fluid in kilograms per cubic meter, g is acceleration due to gravity in meters per second squared, and h is the height or pressure difference in meters.

5. Power in Sound Waves: - The power in sound waves can be calculated using the formula: P = I × A, where P is power in watts, I is intensity of the sound wave in watts per square meter, and A is the surface area through which the sound wave passes in square meters.

It's important to note that these formulas provide a general framework for calculating power in different contexts. The specific variables and units used may vary depending on the situation.