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    Object with mass, initially at rest, explodes into two fragments

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    An object with mass m, initially at rest, explodes into two fragments, one with mass m_A and the other with mass m_B, where m_A + m_B = m.

    a). If energy Q is released in the explosion, how much kinetic energy does each fragment have immediately after the collision?
    Express your answers in terms of the variables m_A, m_B, and Q. Enter your answers separated by a comma.

    b). What percentage of the total energy released does each fragment get when fragment A has four times the mass of the other?
    Enter your answers numerically separated by a comma.

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    Solution Summary

    The energy of an object initial at rest exploding into two fragments is determined.