Recent content by mynameistessa

  1. M

    Gravity between the Earth and the Moon

    Thank you so much for the replies, i now understand! I think i was reading the passage wrong because i somehow didn't think he was talking about the difference on each side but thank you! :) :)
  2. M

    Gravity between the Earth and the Moon

    I'm just reading a book and it says: '' Humans are too small to be affected noticeably by the tides. The Earth has tides because its big, thousands of kilometres across. This gives the gravity from the Moon room to weaken.'' Why is it that the more massive an object is, the more it is...
  3. M

    Having trouble with some simple physics.

    Homework Statement The density of mercury is 13 600 kg m^-3. What is this in g cm^-3 The Attempt at a Solution I don't know where to begin. Please show me how and why rather than just give me the answer! Thank you! X
  4. M

    A physics question i do not understand Please help

    Homework Statement The floor of a room measures 6.0 m x 4.0 m. Calculate its area in m^2, cm^2 and mm^2. The room height is 3.0. Calculate its volume in m^3, cm^3 and mm^3. Homework Equations centi = 10^-2 milli = 10^-3 The Attempt at a Solution To get it into cm^2 and mm^3 i tried...
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