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shepuryov [24]
3 years ago
14

Can i get you help please

Social Studies
1 answer:
julsineya [31]3 years ago
8 0

Answer:

B) the Mahabharata and the Ramayana

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Assume that the rod in Fig.31.2 has a length of 0.86 m,the resistor has value 2.2 ,and a magnetic field of 8.0 T is directed int
frutty [35]

1) 0.48 m/s

2) Clockwise

3) 10.3 N

Explanation:

1)

The figure is missing: find it in attachment.

As the rod is pulled along the rails, in the region of magnetic field, an electromotive force is induced in the rod itself, due to the change in magnetic flux through the circuit enclosed by the rod and the rails.

The magnitude of this induced electromotive force (which is equivalent to the potential difference induced in the rod) is

V=BvL

where:

B is the strength of the magnetic field

v is the speed of the rod

L is the length of the rod

Also we know that according to Ohm's law, the potential difference across the resistance is equal to

V=RI

where

R is the resistance of the rod

I is the current

Since the potential difference across the resistor is equal to the potential difference across the rod, we can combine the two equations, and we get:

BvL=RI\\v=\frac{RI}{BL}

Here we have:

R=2.2 \Omega\\B=8.0 T\\L=0.86 m\\I=1.5 A

Therefore, the speed of the rod must be:

v=\frac{(2.2)(1.5)}{(8.0)(0.86)}=0.48 m/s

2)

Here we have to apply Lenz's law, which states that the direction of the induced emf (and so, of the induced current) is such that it opposes the change in magnetic flux through the system.

First of all, here we notice that as the rod moves, the area enclosed by the circuit decreases: this means that the magnetic flux through the circuit decreases too.

As a result, the induced current must produce a magnetic field which goes in the same direction as the external field, in order to "restore" the magnetic flux. Here the external magnetic field points inside the paper, so the magnetic field produced by the induced current must also point inside the paper.

In order for that to happen, we see that the induced current must flow clockwise: in fact, if we take the rod and we apply the right-hand rule, we see that if we place the thumb towards the left (direction of the clockwise current), the other fingers "wrapped" point into the paper at the center of the circuit, so this is the correct direction.

3)

A current-carrying wire in a magnetic field experiences a force of magnitude

F=ILB

where

I is the current

L is the length of the wire

B is the strength of the magnetic field

Here we have

I = 1.5 A

L = 0.86 m

B = 8.0 T

So the force experienced by the rod is

F=(1.5)(8.0)(0.86)=10.3 N

Therefore, we must apply an equal and opposite force of 10.3 N in order to maintain keep the acceleration of the rod to zero, so that the velocity is constant, and the current is constant as well.

7 0
3 years ago
How did Louis XIV secure support from the nobility?
s2008m [1.1K]
<span>He held elaborate ceremonies every day that the nobles competed for the honor of participating in</span>
5 0
3 years ago
What is the relationship between the price of an item and the quantity demand
Nikitich [7]

Answer:

The Law of Supply

The Law of Demand

Explanation:

The law of supply states that the quantity of a good supplied rises as the market price rises, and falls as the price falls. Conversely, the law of demand  says that the quantity of a good demanded falls as the price rises, and vice versa.

Hope this helps :)

5 0
3 years ago
Refers to speech styles in certain languages that denote status differences among interactants (conversational partners).
givi [52]
The correct answer is Honorific speech. Honorific speech refers to Speech styles in certain languages that denote status differences among conversational partners. It can be used to figure out the nature of the relationship between the conversational partners. It is also useful when the relative status of the speaker is vital.
3 0
3 years ago
How is India today similar to and different from what Gandhi envisioned for the country?
REY [17]

Answer:

Eighty years ago, Mahatma Mohandas Gandhi, writing of the India he envisioned and dedicated his life to building, mused that an ideal village would be one that enjoyed ‘perfect sanitation.’

It was no idle wish. Gandhi had seen the danger caused by inadequate sanitation and hygiene. He had seen the disease and subsequent malnourishment it causes, the lives and wellbeing of millions of Indians, especially children and other vulnerable people. He had also seen the impact of open-defecation on the safety and dignity of women and girls. And he understood that these were not only injuring individuals – they were holding back India’s economic and social progress as well.

Today, as the nation and indeed, the world, celebrate Gandhi’s birthday, his dream of perfect sanitation for India may be closer to becoming a reality than ever before.

Explanation:

Three years ago, the Government of India declared war on open defecation, launching the Swachh Bharat – or Clean India – Mission with the ambitious goal of achieving an open defecation-free India by 2019. In a nation where millions of people still lack basic sanitation and hygiene, the goals of SBM may seem unachievable. But the scale and pace of the progress achieved by the thus far is high.

Already, five States and nearly 250,000 villages in 200 districts have been declared open defecation-free – ODF – with more soon to follow. The increase in sanitation facilities is no less impressive: The Government of India reports that latrine coverage has gone from 39 per cent to over 69 per cent. Every hour, an estimated 3300 toilets are being built in India – nearly one toilet every second.

But it’s not enough to build toilets; people need to use them. For this reason, behaviour change is a centerpiece of the Swachh Bharat Mission. The government and its partners are fielding “sanitation armies” to drive community awareness and action. Bollywood stars and cricket legends have joined the effort – including UNICEF Goodwill Ambassador Sachin Tendulkar. Public health initiatives like the UNICEF-supported campaign are breaking through where traditional efforts have failed. In fact, the whole of Indian society is being mobilized to end open defecation.

The Government is leaving nothing to chance. It has put in place a rigorous system to verify not only that a community, district or State is ODF – but that it remains ODF. A recent survey conducted by the Quality Council of India shows that in communities verified as ODF, usage of toilets remained above 91 per cent.

The stakes are very high – and especially for India’s youngest citizens. The World Health Organization estimates that 117,000 Indian children under the age of five died in 2015 from diarrheal diseases caused by unimproved sanitation and hygiene. This represents 22 per cent of the global burden. More than one in three children in India today are , often due to the impact of chronic diarrhea caused by exposure to fecal matter. This affects both their physical and development, undermining their ability to learn and later, to earn a living.

Because ending open-defecation is not only a matter of smart health policy. It is also smart social and economic policy. A 2008 World Bank study showed that the total economic impact of inadequate sanitation in India amounted to US$ 53.8 billion per year – the equivalent of 6.4 per cent of India’s GDP during the same period. UNICEF just completed a study showing that when costs and benefits are compared over a ten-year period, savings realized through improved sanitation exceed costs by 4.3 times – a four-fold return for every rupee spent.

These financial benefits have a direct impact on families. The same UNICEF analysis – based on data from 10,000 households across 12 States – shows that households using a toilet are saving on average around 50,000 rupees (around US$760) per year, realized in medical costs averted, the value of time saved in not needing to seek medical treatment, and the value of deaths averted. For poor rural families in India, this represents a small fortune.

Crucially, the UNICEF study indicates that improving hygiene and sanitation for the poorest households brought the greatest immediate health benefits, since children living in poverty are at the greatest risk of diarrheal diseases, s

and death.

The challenges India still faces to become open-defecation free are substantial. But India is showing that it can be done. And it must. Not only in India, but everywhere that open defecation destroy lives and futures.

If we are serious about realizing the promise of the SDGs, we need to work together to realize Gandhi’s dream – for India and for the world.

6 0
3 years ago
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