Posts by mary grace

Total # Posts: 6

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?

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.

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 ?

biology
what is grana?

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?

trigonometry
48.5