Recent content by bad at math gu

  1. B

    Calculate the final temperature of the metal.

    nvm this is the wrong formula how i would still like some help solving this question
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    Calculate the final temperature of the metal.

    24.100kg of copper at 33.000 degrees Celsius receives 310.000 kJ of heat. Calculate the final temperature of the metal. Homework Equations Q=mc(t2-t1) The Attempt at a Solution I solved the equation for T1 T1=c*m*Q-T2 / C*m The answer however seems really small and...
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    Maximum Load question given Safety factor

    :D nvm i just got it
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    Maximum Load question given Safety factor

    Could i get some help with this one please The ultimate strength of a round steel rod is 620.000 MPa. If a factor of safety of 3.000 is required, what is the maximum permissible load for the rod if it has a diameter of 3.000 cm?
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    Calculating Velocity of a Free-Falling Object

    HA got it thank you
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    Calculating Velocity of a Free-Falling Object

    Hi was wondering if i could get some help with this question -An object is allowed to free fall from rest from a height of 9 m. What will be its velocity on striking the ground? ---My solution to this was to simply multiply the 9m by 9.81m/s... which is wrong the solution posted to this...