Questions with the keyword 'gravity'

• if two people dug a hole, one in Australia and one in England. then they both jumped into their separate holes, gravity by pepsicola to Arthur, Clare, Daniel, David, Tora Comments: (No comments so far )
• I have heard that the speed of gravity is the same as the speed of light, is this true and if not, what is the speed of by Chad to David Comments: (No comments so far )
• can you be killed by a falling coin in a tall building by mr brightside to Arthur, Clare, Daniel, David, Tora Comments: (No comments so far )