Answer:
625 N
Explanation:
The impulse given to the nail is equal to the change in momentum of the hammer:
where
F is the force exerted by the hammer
is the time of contact
is the mass
is the change in velocity of the hammer
Substituting the data and re-arranging the equation, we can find the force:
Explanation:
Below is an attachment containing the solution.
Answer:
The heat going from your hands heat the water in the flask. As is heated some molecules of water starts to change to vapor phase, increasing the vapor pressure over the water. When this vapor pressure equals the pressure inside the closed flask, the water starts to boil.
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It would move upward and downward