Answer:
The larger person will have to get a larger parachute. The answer is D
Explanation:
If the smaller person does nothing, the larger person subsequently accelerate for more time and with larger terminal velocity. In this case the person needs to do something so as to reduce the terminal velocity and can also effectively raise the air resistance. For this reason the person should get a bigger parachute. The air resistance in the opened parachute overwhelms the downward force of the gravity. Whereas the net force as well as the acceleration of the person is upward. The bigger parachute has the ability to grab the greater force. If the parachute, dragging force works in the opposite to that of the force of the gravity, hence the drag force slows the parachute decrease as they fall.
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Answer:
Dissociation means to break up into.
For eg, if you are talking about the dissociation reaction, then it means the breaking up of compound into one or more elements is known as dissociation reaction.
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Answer:
The middle Hydrogen atom is bonded to two instead of one atom
Oxygen is bonded to one instead of two atoms
Oxygen has three instead of two lone pairs of electron.
Explanation:
If we look at the structure, we will notice that it does not satisfy the basic principles of valency.
Hydrogen has a valency of 1. However, the middle hydrogen atom is bonded to two atoms instead of only one atom - the other atom of hydrogen and an atom of oxygen.
Secondly, oxygen has three lone pairs instead of two lone pairs, hence it is bonded to only one instead of two atoms. This does not correspond to the known valency of oxygen.
Answer:
i think it will be warm air rises and takes heat with it eventually it cools and sinks
Explanation:
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1.694 L
Explanation:
First, solve for the number of moles of HCl in a 450-ml 3.2M solution:
# of mol HCl = (3.2 mol HCl/L)(0.450 L)
= 1.44 mol HCl
The molarity M is given by
M = (# of moles)/(volume in L)
Solving for the volume,
V = (# of moles)/M
= (1.44 mol HCl)/(0.85M)
= 1.694 L
Therefore, the 3.2M HCl solution must be diluted until its volume becomes 1.694 L.