Enter the total speed (m/s) and the mass of the moving object (kg) into the calculator to determine the Energy from Speed.
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Energy from Speed Formula
The following equation is used to calculate the Energy from Speed.
E = .5*S^2*m
Variables:
- Where E is the Energy from Speed (Joules)
- S is the total speed (m/s)
- m is the mass of the moving object (kg)
To calculate energy from speed, square the speed, multiply by the mass, then divide by 2.
How to Calculate Energy from Speed?
The following two example problems outline the steps and information needed in order to calculate the Energy from Speed.
Example Problem #1:
- First, determine the total speed (m/s). In this example, the total speed (m/s) is measured to be 571.
- Next, determine the mass of the moving object (kg). For this problem, the mass of the moving object (kg) is calculated to be 48.
- Finally, calculate the Energy from Speed using the formula above:
E = .5*S^2*m
Inserting the values from above and solving the equation with the imputed values gives:
E = .5*571^2*48 =7824984 (Joules)
FAQ
What units are used to measure energy in the Energy from Speed formula?
The energy calculated from the speed is measured in Joules (J), which is the standard unit of energy in the International System of Units (SI).
Can the Energy from Speed formula be used for any type of motion?
The formula specifically calculates kinetic energy, which is the energy an object possesses due to its motion. It is most accurate for objects moving in a straight line at a constant speed. For objects undergoing acceleration or moving in a curved path, additional factors must be considered.
How does the mass of an object affect its energy from speed?
According to the formula E = .5*S^2*m, the energy from speed is directly proportional to the mass of the object. This means that as the mass increases, the energy from speed also increases, assuming the speed remains constant. This relationship highlights the significant impact of an object’s mass on its kinetic energy.
