A ball of mass 6.00 kg moving with a velocity of 10.0 ms-1 collides with a 2.0 kg
ball moving in the opposite direction with a
velocity of 5.0 ms-1. After the collision the
two balls coalesce and move in the same
direction. Calculate the velocity of the
composite body.​

4. who was the first one to measure the speed of light and conclude that it is finite? 5. who was the first philosopher who thought the speed of light is finite? 13. what is the speed of light numerically? 14. give an example of something moving faster than light 15. give an example for some particles or waves that

Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.

Arrange the images in order to show how lake-effect snow occurs.