Motion, velocity, and acceleration calculations
Calculate the muzzle velocity of a bullet using three methods: kinetic energy (v = √(2·KE/m)), barrel pressure (v = √(2·P·A·L/m)),…
Calculate the polar moment of inertia (second polar moment of area) J of a solid circle (J = πD⁴/32) or a hollow cylinder…
Estimate the distance, time of flight, maximum height, landing speed, and landing angle of a car jumping from one ramp to…
Calculate the ballistic coefficient of a projectile from its mass, cross-sectional area, and drag coefficient using B = m…
Estimate your car's quarter-mile elapsed time (ET) and trap speed from its power and weight using the Huntington, Fox, and…
Calculate rolling resistance force (RR = Crr × N) for cars, bicycles, and trains. Find the power and fuel needed to overcome…
Check if a sledding hill is safe: calculate the maximum speed your kid reaches and how far the sled travels after the slope…
Find the magnitude of any acceleration vector from velocity components and time, or from direct acceleration components.…
Calculate linear momentum from mass and velocity, or find mass or velocity from momentum. Supports metric (kg, m/s) and imperial…
Calculate aircraft ground speed from true airspeed, wind speed, and wind direction. Outputs ground speed, wind correction…
Calculate the terminal velocity of any falling object using vt = √(2mg/ρACd). Choose from presets (skydiver, baseball, custom)…
Calculate displacement from velocity and time, initial velocity and acceleration, or initial and final velocities. Three…
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