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    Volume; Density; Mass; Temperature - Frictional Heat

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    1. What volume of foam (lifevest) with a given density will be needed to keep a person, with a given mass and density, 1/3 out of the water?

    2. A 20g lead bullet moving at 400m/s strikes a tree. How much will the temperature be raised if 1/2 of the frictional heat goes into the bullet?

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    https://brainmass.com/physics/temperature/volume-density-mass-temperature-frictional-heat-41410

    Solution Preview

    1. Volume of water dispalced is same for two objects.
    Volume of person = V1
    Density of person = d1
    2/3 of his volume is ...

    Solution Summary

    The expert examines frictional heat for volume, density, mass and temperature.

    $2.19

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