Answer:
D
Explanation:
im guessing here i hope it is correct and good luck
Torque of F1 = 30*0.025 = 0.75Nm anticlockwise
Torque of F2 = 34 * 0.020 = 0.68Nm clockwise
Horizontal component of F3:
cos 50 = x/20
x = 12.856 N
Torque of F3 horizontal component = 12.856 * 0.01 = 0.129Nm anticlockwise
0.129 + 0.75 - 0.68 = 0.199Nm anticlockwise
sorry I'm not sure is it correct
If the amplitude is doubled than the intensity will become 4 times of amplitude.
<h3>What is meant by intensity? </h3>
Intensity is the quality of being very strong, concentrated or difficult or the degree to which something is difficult or strong.
The intensity of a sound wave exists described as the amount of energy transmitted through a unit area per unit time in the direction of travel; it is a vector quantity with both a magnitude and a direction.
The amplitude of the sound waves and how far they have travelled from the sound source.
Intensity is directly proportional to the square of the amplitude .
So, if the amplitude is doubled than the intensity will become 4 times of amplitude.
To learn more about Intensity refer to:
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The total thermal power generated by this plutonium source is determined as 5.65 J/s.
<h3>Total thermal power generated</h3>
The total thermal power generated by this plutonium source is determined as follows;
ΔP = Eλ
where;
- E is the energy of the particles = 5.6 mev
- λ is the activity of the plutonium, which should be = 6.3 x 10¹⁵ s⁻¹
ΔP = (5.6 mev) x (6.3 x 10¹⁵ s⁻¹)
ΔP = (5.6 x 10³ x 1.6 x 10⁻¹⁹ J) x (6.3 x 10¹⁵ s⁻¹)
ΔP = 5.65 J/s
Learn more about thermal power here: brainly.com/question/7541718
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