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ElenaW [278]
3 years ago
10

HELP!!!!!

Physics
1 answer:
KatRina [158]3 years ago
3 0
I agree with the first person
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A sphere of radius 0.03m has a point charge of q= 7.6 micro C located at it’s centre. Find the electric flux through it?
GalinKa [24]

Answer:

The electric flux through the sphere is 8.58 *10^{5} \frac{Nm^2}{C}

Explanation:

Given

Radius,\ r = 0.03m\\Charge,\ q =7.6\µC

Required

Find the electric flux

Electric flux is calculated using the following formula;

Ф = q/ε

Where ε is the electric constant permitivitty

ε = 8.8542 * 10^{-12}

Substitute ε = 8.8542 * 10^{-12} and q =7.6\µC; The formula becomes

Ф = \frac{7.6\µC}{8.8542 * 10^{-12}}

Ф = \frac{7.6 * 10^{-6}}{8.8542 * 10^{-12}}

Ф = \frac{7.6}{8.8542} *\frac{10^{-6}}{10^{-12}}

Ф = \frac{7.6}{8.8542} *10^{12-6}}

Ф = 0.85834970974 *10^{12-6}}

Ф = 0.85834970974 *10^{6}}

Ф = 8.5834970974 *10^{5}}

Ф = 8.58 *10^{5} \frac{Nm^2}{C}

Hence, the electric flux through the sphere is 8.58 *10^{5} \frac{Nm^2}{C}

7 0
3 years ago
whoever answers this I will give the brainiest! Consider limiting factors in aquatic ecosystems. a. Describe three reasons why s
algol [13]

Answer:

Explanation:

1)Sunlight is a limiting factor because it helps the plants grow.

2) plants and trees give u oxygen so that u can breathe

3) plants and trees are habitats for some animals.

Increased nitrogen can increase the growth of algae which is a benefit of it

8 0
4 years ago
A dog sees a flowerpot sail up and then back past a window 5.0 ft high. If the total time the pot is in sight is 1.0 seconds, fi
Kisachek [45]

To solve this problem we will use the linear motion kinematic equations for which acceleration (in this case gravity) is described as the change in velocity in an instant of time. Subsequently through the energy conservation equations we will find the net height.

Let's start considering that the time is 1 second, therefore,

t = 1s

Now the acceleration would be given as

g = \frac{\Delta v}{t}

g = \frac{v_f-v_i}{t}

v_f-v_i = gt

Since the final speed is zero, and the time elapsed to reach the height is 0.5 seconds (half of the entire route) we will have that the initial speed can be expressed in terms of gravity as

0-v_i = g(\frac{1}{2})

v_i = \frac{1}{2} g

Now for energy conservation, the potential energy must be equal to the kinetic energy, therefore,

PE = KE

mgh = \frac{1}{2} mv_i^2

h = \frac{v_i^2}{2g}

Replacing the previous value found,

h = \frac{1}{4} \frac{g^2}{2g}

h = \frac{1}{4} \frac{9.8^2}{2(9.8)}

h = 1.225m

Therefore the hegiht above the windows that the pot rises is 1.225m

4 0
3 years ago
During an experiment, you take a measurement of 3.5 inches. What is this
raketka [301]
B. 8.89 (hope this helped.)
You can solve by just doing 3.5in * 2.54
4 0
4 years ago
Gwen is researching the effects of a small asteroid impact in an area that has started to regrow after being hit ten years ago.
Bumek [7]

Answer:

Gwen’s assumption of asteroid hit as long term change is incorrect. Asteroid hit is not a long term change, instead, it is a short term change.  

Explanation:

Examples of short term changes are drought, flood, volcanic eruption, etc. A short term change occurs quickly and can immediately affect organisms but it doesn’t become a reason for species extinction. The effects of a short term change don’t prevail over a long span of time.

Examples of long term changes are ice age, global warming, deforestation, etc. Unlike a short term change, it takes time but the consequences are far-reaching. It can lead to species extinction.

In this question, asteroid hit is a quick and unexpected hazard, unlike the slow long term environmental changes.

3 0
3 years ago
Read 2 more answers
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