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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.

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

Follow the steps for solving equations involving the electromagnetic force.

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

Solve calculations for the mechanics of fluids step by step.

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

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

Get step-by-step assistance with astronomy problems.

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

Compute the steps for solving calculations involving quantum mechanics.