Explanation:
The position vector r:

The velocity vector v:

The acceleration vector a:



Answer:
Specific heat capacity means that in order to raise copper by 1C per kg, it needs 380J of heat energy.
In zero order reactions the rate of reaction is independent of reactant concentrations. That is the rate of the reaction does not vary with increasing nor decreasing reactants concentrations. On the other hand, first order reaction are reactions in which the rate of reaction is directly proportional to the concentration of the reacting substance (reactants). In this case, i believe the rate of reaction will triple( increase by a factor of 3)
The best and most correct answer among the choices provided by your question is the fourth choice.
Chlorine and sodium are most likely to form monatomic ions.
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Answer:
He requires 1 gram of mass.
Explanation:
The density is defined as:
(1)
Where m is the mass and V is the volume.
Then, m can be isolated from equation 1 in order to determine the mass.
(2)
Hence, he requires 1 gram of mass.