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olga2289 [7]
3 years ago
9

Four forces of magnitude 10N,15N, 4N, 6N act on on object in the direction North West, East and South respectively, find their m

agnitude and direction of their resultant force?​
Physics
1 answer:
maria [59]3 years ago
7 0

Magnitude 17 root

Hope it Helps! Please mark as Brainliest!

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true or false/ force field that exists in the space around every massive body is called electric field​
musickatia [10]

Answer:

True

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A light bulb emits light that travels uniformly in all directions. Detailed measurements show that at a distance of 56 m from th
vladimir1956 [14]

Complete question:

A light bulb emits light that travels uniformly in all directions. Detailed measurements show that at a distance of 56 m from the bulb, the amplitude of the electric field is 3.78 V/m. What is the average intensity of the light?

Answer:

The average intensity of the light is 0.02 W/m²

Explanation:

Given;

Amplitude of the electric field, E₀ = 3.78 V/m

The average intensity of the light is calculated as follows;

I_{avg} = \frac{c\epsilon_0 E_0^2}{2}

where;

I_{avg} is the average intensity of the light

c is speed of light = 3 x 10⁸ m/s

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Therefore, the average intensity of the light is 0.02 W/m²

4 0
3 years ago
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