Two objects attract each other gravitationally with a force of 3. 1×10−10 nn when they are 0. 55 mm apart. Their total mass is 4. 8 kgkg.

Velocity=total displacement/timefrom house to store is 500 from store to neighbor is 200 therefore total displacement=500+200=700metrestherefore,700metres/910seconds=0.8metres per second

Answerapply an acl that has all deny ace statement;

B) erini just took the test and it is correct