Answer:
B. The number of wave cycles that pass through a specific point within a given time period.
Answer:
1. well the value may vary because of different reactions to the technology because its new to a lot of people but to younger ones its something normal and something we cant live without but with older ones its something that they have lived without for most of there life.
Explanation:
it is true. the trajectory reaches the value of zero at the top
Answer:
Explanation:
For resistance of a wire , the formula is as follows .
R = ρ L/S
where ρ is specific resistance , L is length and S is cross sectional area of wire .
for first wire resistance
R₁ = ρ 3L/3a = ρ L/a
for second wire , resistance
R₂ = ρ 3L/6a
= .5 ρ L/a
For 3 rd wire resistance
R₃ = ρ 6L/3a
= 2ρ L/a
For fourth wire , resistance
R₄ = ρ 6L/6a
= ρ L/a
So the smallest resistance is of second wire .
Its resistance is .5 ρ L/a
The balanced chemical equation would be written as follows:
Na + Cl2 = NaCl2
We are given the amount of sodium to be used in the reaction. This will be the starting point of the calculation. The ratio of the reactants is 1 mole is to 1 mole. Therefore, we need an equal amount of 4 moles of Cl2 gas to completely react with the sodium metal.