Because gravity and it's force pushes an object down
Answer:
a) 2.33 m/s
b) 5.21 m/s
c) 882 m³
Explanation:
Using the concept of continuity equation
for flow through pipes

Where,
A = Area of cross-section
V = Velocity of fluid at the particular cross-section
given:


a) 
substituting the values in the continuity equation, we get

or

or

b) 
substituting the values in the continuity equation, we get

or

or

c) we have,
Discharge
thus from the given value, we get


Also,
Discharge
given time = 1 hour = 1 ×3600 seconds
substituting the value of discharge and time in the above equation, we get

or

volume of flow = 
Answer:
The coin is denser than any of the liquids, and will sink through everything. The oil is the least dense liquid, so it will float on the water, and the syrup is the densest liquid, so it will sink below the water.
Explanation:
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Answer: Heat and pressure
Explanation:
I was taught that heat and pressure are the two main factors present when creating fossil fuel