# mary grace

## Questions

Newest questions posted by mary grace
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
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?

## Responses

Newest responses posted by mary grace

48.5