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What is the PHYSICS metric unit for the measurement of:?

  1. Apr 22, 2009 #1
    1. The problem statement, all variables and given/known data

    What is the PHYSICS metric unit for the measurement of:
    a. velocity
    b. mass
    c. kinetic energy
    d. height
    e. mass
    f. acceleration of gravity
    g. potential energy?


    What is a source that converts a great deal of nuclear energy into energy you use..{ besides powerplants}

    Please help!

    If you can , thanks in advance!

    2. Relevant equations
    there are none that i know of..


    3. The attempt at a solution
    im not sure. Im iffy on these, but are the answers:
    a, m/s
    b. kg
    c. J
    d. meters
    e. kg
    f. i have no clue
    g. i haveno clue
    1. The problem statement, all variables and given/known data



    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Apr 22, 2009 #2

    mgb_phys

    User Avatar
    Science Advisor
    Homework Helper

    f, what is acceleration in terms of other units?

    g, All energy is measured in the same units - because energy can be converted from one to another.
     
  4. Apr 22, 2009 #3
    Dimensional analysis is your best friend.

    Formula for acceleration = change in speed / change in time

    Speed is m/s. Time is s.

    (m/s) / s
    = m/s^2

    Thus, the unit for acceleration is m/s^2.

    You can apply this to nearly every unit. Some you have to know, such as newtons or pascals.
     
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