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Effectus [21]
3 years ago
14

Wind and oceans are example of which current A.conduction B.Convection C.Radiation

Physics
1 answer:
SOVA2 [1]3 years ago
4 0

Answer:

B convection MERRY CHRISTMAS

Explanation:

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A child sets off the firecracker at a distance of 100 m from the family house. what is the sound intensity β100 at the house?
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To solve this problem, we use the formula:

I100 / I1 = [P / 4π(100m)^2] / [P / 4π(1m)^2]

I100 / I1 = 1 / 100^2

I100 / I1 = 10^-4

 

Therefore the change in intensity from 1m to 100m in decibels is:

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4 years ago
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Part A
Gemiola [76]

The Mass of the barter and the ball is 3.1kg

Data Given;

  • F = 1.1*10^-9N
  • r = 0.76m
  • G = 6.67*10^-11 m^3 kg^-1 s^-1

Assuming the barter and the ball have equal mass, we can apply gravitational force formula.

<h3>Gravitational Force</h3>

F = \frac{Gm_1m_2}{r^2}

This is product of the mass of the two bodies and divided by the square of their distance apart.

Substituting the values into the formula

F = \frac{Gm_1m_2}{r^2\\}\\m_1 = m_2 = m\\1.1*10^-^9=\frac{6.67*10^-^1^1*m^2}{0.76^2}  \\m^2 = \frac{1.1*10^-^9*0.76^2}{6.67*10^-^1^1} \\m^2 = 9.525\\m = \sqrt{9.525}\\m =3.086=3.1kg

From the calculations above, the mass of the barter and the ball is 3.1kg

Learn more on gravitational force here;

brainly.com/question/11359658

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3 years ago
Which of the following describes the bending of light due to a change in its speed?
zloy xaker [14]
The Answer is This sounds like refraction.
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3 years ago
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