Posts by mary grace

Total # Posts: 6

  1. physics

    if the masses remain the same ,but the separation is decreased to one-half of the original distance . what happens to the gravitation force?
  2. Physics

    A bullet with a mass of 10 imbeds itself in a wooden block of mass 3990g and is free to move. If the speed of the block and bullet together is 50 cm/s just after the impact what was the original speed of the bullet ? what was the right formula to use.? pls anwer me.
  3. Physics

    A bullet with a mass of 10 imbeds itself in a wooden block of mass 3990g and is free to move. If the speed of the block and bullet together is 50 cm/s just after the impact what was the original speed of the bullet ?
  4. biology

    what is grana?
  5. 7th grade Science

    How does the internal structures of earth's density compare to the lithosphere's density? It is a lot greater, a little greater, a lot smaller or a little smaller?
  6. trigonometry

    48.5