Choose a problem (and solutions) described in the text. Explain what the problem is and why it matters, using examples, facts, a
nd details from the text. If possible, describe any solutions proposed in the text.
1 answer:
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Answer:
4.55 x 10⁹m
Explanation:
Given parameters:
Mass of object 1 = 3.1 x 10⁵kg
Mass of object 2 = 6.5 x 10³kg
Gravitational force = 65N
Unknown:
Distance between them = ?
Solution:
To solve this problem, we use the expression below from the universal gravitational law;
Fg =
G = 6.67 x 10⁻¹¹
65 =
Distance = 4.55 x 10⁹m
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 .