A) Ball made of wood and ball made of aluminum,of the same radius are placed into reservoir with water. Aluminumball after sinking rests at the bottom, wooden ball floats. Whichball experiences greater buoyancy force?
| c | Buoyncy forces are the same |
| d | There is not enough information |
B) Water flows through a pipe with speed of 18m/s. Pipe suddenly widens to 3 times of its initial diameter. Thespeed of water in broader part of a pipe is:
