Answer:78 N
Explanation:Impulse=Force*time
=39*2 =78 Ns
Tin is Sn, atomic number 47 is Silver, Mass of sodium is 22.9 u
<span>Easy, take the top off your Thermos bottle filled with hot coffee. Assuming perfect insulation, that hot coffee is isolated from the environment; but when the top is opened the heat can now escape to that environment.
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False
If all other factors, such as medium, are kept the same, longitudinal waves tend to be stronger.
Answer:
The car starts moving in the positive direction at x = 0.2 seconds. Initially it moves very little, but it covers a greater distance with each time increment.
Explanation: