Answer:
Explanation:
Given
mass of marble 
velocity of marble 
mass of second marble 
Velocity of second marble 
After collision 13.5 gm marble moves to the right at i.e. 
Conserving momentum





Answer:
add 44m/s and 22m/s then multiply it by 11
Explanation:
Answer:
1 millions times stronger
Answer:
Explanation:
Therefore, the unit of speed is the meter per second, or m/s. The unit meter per second is called a derived unit, meaning that it is derived from the seven SI base units.
When a river flows into an ocean, it slows down and deposits materials in its delta