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  • Calculate Velocity from Mass and Kinetic Energy: Formula & Steps
    Here's how to find velocity given mass and kinetic energy:

    Understanding the Relationship

    * Kinetic Energy (KE): The energy an object possesses due to its motion.

    * Mass (m): The amount of matter in an object.

    * Velocity (v): The speed and direction of an object's motion.

    The Formula

    The relationship between kinetic energy, mass, and velocity is expressed by the following equation:

    KE = (1/2) * m * v²

    Solving for Velocity (v)

    1. Rearrange the equation:

    To isolate velocity, we need to get 'v' by itself. Divide both sides of the equation by (1/2) * m:

    v² = (2 * KE) / m

    2. Take the square root:

    To get 'v', take the square root of both sides:

    v = √((2 * KE) / m)

    Example

    Let's say an object has a mass (m) of 10 kg and a kinetic energy (KE) of 500 Joules. To find its velocity:

    1. Plug in the values:

    v = √((2 * 500 J) / 10 kg)

    2. Calculate:

    v = √(100 J/kg)

    v = 10 m/s

    Therefore, the velocity of the object is 10 meters per second.

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