Home
Back
Velocity from Kinetic Energy Formula:
| From: | To: |
The velocity from kinetic energy formula calculates the velocity of an object based on its kinetic energy and mass. This formula is derived from the fundamental kinetic energy equation and is widely used in physics and engineering applications.
The calculator uses the velocity from kinetic energy formula:
Where:
Explanation: The formula shows that velocity is proportional to the square root of the ratio of kinetic energy to mass. Doubling the kinetic energy increases velocity by a factor of √2, while doubling the mass decreases velocity by a factor of √2.
Details: Calculating velocity from kinetic energy is essential in various fields including physics research, mechanical engineering, automotive safety testing, sports science, and energy conservation studies. It helps determine object speed when direct measurement is difficult.
Tips: Enter kinetic energy in joules and mass in kilograms. Both values must be positive numbers. The calculator will compute the velocity in meters per second.
Q1: What units should I use for this calculation?
A: Use joules for kinetic energy and kilograms for mass to get velocity in meters per second. Ensure consistent units for accurate results.
Q2: Can this formula be used for any object?
A: This formula applies to objects moving at non-relativistic speeds. For objects approaching the speed of light, relativistic equations must be used.
Q3: What if the mass is very small or very large?
A: The formula works for any positive mass value. However, extremely small masses may approach quantum mechanical limits where classical physics breaks down.
Q4: Does this formula account for direction?
A: No, this formula gives the magnitude of velocity (speed). Velocity direction must be determined from additional information about the object's motion.
Q5: How accurate is this calculation?
A: The calculation is mathematically exact for the given inputs. Accuracy depends on the precision of your kinetic energy and mass measurements.