A test car starts from rest on a horizontal circular track of 85-m radius and increases its speed at a uniform rate to reach 115
1 answer:
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Answer:
Frequency,
Explanation:
We have,
Speed of radio waves is
Wavelength of radio waves is
It is required to find the frequency of the radio waves. The speed of a wave is given by :
So, the frequency of the radio wave is .
Answer:
The mass of the solution is 120 g.
Explanation:
The mass of the solution is given by:
Where:
: is the mass of the solution
: is the mass of the solvent
: is the mass of the solute
In the solution, the solvent is the majority compound (in mass) and the solute is the minority (in mass), so the solvent is the water and the solute is sodium chloride.
Hence, the mass of the solution is:
I hope it helps you!