Recent content by rugby123

  1. R

    Specific heat capacity and changing temperature of water

    Homework Statement there is a bath of 160L of water at 41oc (shc 4000). A rock of 15kg is dropped into the bath at 250oc with shc of 2000 What temperature does the water end up at? Homework Equations Q=cmT The Attempt at a Solution Very sorry but I don't have a clue. Not...
  2. R

    Gravitational Fields: Earth's Rotation & UK Latitude 53

    Homework Statement the Earth's gravitational field is sufficiently strong enough to keep us on it- even though we are traveling in a circle on its surface. But how fast would we be spinning before we started to fall off? What about at latitude 53 (UK)? and how long would a day be...