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# Step-by-Step Physics

Wolfram|Alpha helps you explore step-by-step answers to a wide range of physics problems to help with homework or general education. Use flexible formulas to solve different variables for the same equation with topics covering the full range of physics, including electromagnetism, relativity and Newtonian mechanics. Make use of automatic unit conversions by selecting your preferred unit.

Mechanics

Get help solving problems involving the motion of objects under external forces.

#### Calculate the density of an object step by step:

Electricity & Magnetism

Follow the steps for solving equations involving the electromagnetic force.

#### Show the steps for the voltage gain and output voltage of an inverting amplifier:

Relativity

Find the steps for relativistic calculations like time dilation, red shifts and kinetic energy.

#### Compute the steps for relativistic momentum:

Fluid Mechanics

Solve calculations for the mechanics of fluids step by step.

#### Compute the height reached by capillary action:

Oscillations & Waves

Explore the steps for solving common calculations involving waves and oscillating systems.

#### Calculate the speed of a wave along a string:

Thermodynamics

Follow the steps for solving equations for thermodynamic systems and principles.

#### Find the efficiency of thermodynamic cycles step by step:

Astrophysics

Get step-by-step assistance with astronomy problems.

#### Learn the steps to calculate the entropy of a massive black hole:

Conservation of Energy

Apply the law of conservation of energy to derive physical properties of a system.

### RELATED EXAMPLES

• Electricity & Magnetism
• Fluid Mechanics
• Mechanics
• Optics
• Oscillations & Waves
• Physics
• Quantum Physics
• Relativity
• Thermodynamics
• Optics

Compute the steps for solving optics equations, including refraction, reflection and diffraction.

#### Explore lens equations step by step:

Quantum Mechanics

Compute the steps for solving calculations involving quantum mechanics.