Mandatory friction makes it difficult for a free body of mass to move with constant speed.
Answer:Zero
Explanation:
Given
mass of ball 
If the ball is thrown upward then at maximum point velocity of ball is zero because ball is no longer able to move upward
Momentum(P) of a particle is given by



Therefore at the highest point momentum is zero .
Lamina and turbulent flow
Explanation:
mentioning about lamina and turbulent flow we could say that both form in different period of time
<span>2. mass of both objects doubled?
Hope it helped!</span>
<span>Soil conservation involves protecting soil quality and preventing erosion.
Answer: A</span>