I THINK v = 9.8 is the final velocity on impact. Hope I helped
Answer:
Hey buddy, it is D
Explanation: Just do the math, take 30 and then subtract 20 ok and then yo would have 10, then the 10is really the 30 and the 30 is pointing to the left so 10 newtons to the left and also your welcome
Explanation:
It is known that octane is a hydrocarbon and London dispersion forces are the main intermolecular forces which are present in it.
Whereas water molecules tend to form hydrogen bonding forces which are actually much stronger than dipole-dipole interactions. This means that more energy is necessary to separate water molecules from one another than to separate octane molecules from one another.
Hence, we can conclude that surface tension of octane is expected to be lower than that of water when the two are considered at the same temperature.
Answer:27.35 s
Explanation:
Given
weight of man =730 N
mass of man
radius of pound r=5.8 m
mass of book
velocity of book
let be the velocity of man
conserving momentum
time taken by man to reach south end
If an air parcel is given a small push upward and it falls back to its original position, the atmosphere is said to be Stable.
A Stable atmospheric condition is a state where a body thrown like an parcel tends to return to its original position where it was present earlier even after being disturbed externally.
Stable conditions tends to oppose the forces that lead to the displacement of the object from original position.
When a parcel is given a small push upward and it falls back to its original position in air. This shows Stability in the atmosphere which bring back the sir parcel where it was present initially.
A body under the action of gravity in case of stable equilibrium conditions shows returning back of the body after sometime on reaching a certain height.
Learn more about Gravity here, brainly.com/question/4014727
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