Answer: The net displacement is 6.40meters
Explanation:
It is a chemical change because the salt is dissolving.
The perfect elastic Collision ball will hit the door first because the clay is heavier and will take more time
Answer:
Explanation:
v= u + at
v is final velocity , u is initial velocity . a is acceleration and t is time
Initial velocity u = 0 . Putting the given values in the equation
v = 0 + g sin 18 x 3.5
= 10.6 m /s