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Answer:

[M1 L-1 T-1].

Explanation:

The dimensional formula of Coefficient of Viscosity is given by,

M1 L-1 T-1

Where,

M = Mass

L = Length

T = Time

Derivation

Coefficient of viscosity (η) = F × r × [A × v]-1 . . . . . (1)

Where F = tangential force, r = distance between layers, A = Area, and v = velocity

Since, Tangential Force (F) = Mass × Acceleration = M × [L T-2]

∴ The dimensional formula of force = M1 L1 T-2 . . . . (2)

And, the dimensional formula of area and velocity = L2 and L1 T-1 respectively . . . . (3)

On substituting equation (2) and (3) in equation (1) we get,

Coefficient of viscosity = F × r × [A × v]-1

Or, η = [M L T-2] × [L] × [L2]-1 × [L1 T-1]-1 = [M1 L-1 T-1].

Therefore, the Coefficient of Viscosity is dimensionally represented as [M1 L-1 T-1].

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Answer:

Or, η = [M L T-2] × [L] × [L2]-1 × [L1 T-1]-1 = [M1 L-1 T-1]. Therefore, the Coefficient of Viscosity is dimensionally represented as [M1 L-1 T-1].

Answer:

all the furniture were destroyed

Answer:

My village is a place that I like to visit in my holidays or whenever I feel tired and want to relax. A village is a place that is far away from the pollution and noise of the city. Also, you feel a connection with the soil in a village.

Moreover, there are trees, a variety of crops, diversity of flowers, and rivers, etc. Besides all this, you feel the cold breeze at night and a warm but pleasant breeze in the day.

Around more than 70% of India’s population resides in villages. Likewise, villages are the main source of food and agricultural produce that we consume. After independence, the villages have grown much in both populations as well as education.

Village peoples are more dedicated to their work then the people of the city also they have more strength and capacity then urban area people.

Moreover, the entire village lives in peace and harmony and there is no conflict of any kind. Villagers come forward in each other sorrows and happiness and they are of helpful nature.

Most importantly, you can see stars at night which you no longer see in the city.

Explanation:

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Answer:

Concept:

Tree planting is good for the ecosystem and the globe, but it's also a way for us to help make the world a better and cleaner place to live in, as trees help to reduce pollution levels. Are trees also air purifiers? They function as filters in our ecology, removing hazardous substances from the air and lowering pollution levels. Furthermore, they contribute to the maintenance of ecological balance and the creation of favourable rainfall conditions, guaranteeing that life thrives.

Given:

Story on Our Village Our Trees​

Find:

we have to write Story on Our Village Our Trees​

Answer:

My community is situated in a low-lying area with scorching summers and frigid winters.  The village is significantly cooler in the summer than the metropolis. A village also does not require air conditioning due to the breeze. Greenery abounds in a village, and practically every home has at least one tree in its courtyard.

Furthermore, I've seen only just few crops this season due to harvest season. In addition, there used to be more kutcha structures (mud and clay houses), but that has altered, and the quantity of pakka residences (cement and other substances) has increased. The people of the village are also nicer than those of the city. Furthermore, the pure and invigorating air is one of my favourite aspects of my village. Even after 4-5 hours of sleep, the air makes me feel refreshed. Above all, unlike in the city, I can see and count stars at night.

Answer:

Given,

The number of people attending the Drama Club's winter play = 300 people.

The original ticket price= Rs.70.

Increased priced = Rs.80.

The number of people attending the Drama Club's winter play after the increase= 20 people.

To Find,

Which ticket price would give the most income to the drama club?

How much income should the club expect to bring in with the new price?

Solution,

We can simply solve the problem by calculating the amount collected in both cases.

• Amount collected with Rs.70 as ticket price= 70×300 = Rs.21,000/.
• Amount collected with Rs.80 as ticket price= 80×20= Rs.1600/-.

Out of 21000 and 1600, 21000 is greater.

Hence, the ticket price of Rs.80 will give more income to the drama club.

Now, considering the number of people remain the same, 300.

Income collected by the club with the increased price= 80× 300= Rs.24,000.

Hence, the Income collected by the club with the increased price is Rs.24,000.

Answer:

i) Rs. 110

ii) Rs. 24200

Step-by-step explanation:

Let the number of times the ticket price goes up be x.

Then,

The quadratic equation formed will be

(70 + 10x)(300 - 20x)

= 21000 + 3000x - 1400x - 200x^2 = -200x^2 + 1600x +21000

Let y = -200x^2  + 1600x +21000

That is, -200x^2  + 1600x + (21000 - y) = 0 -------- (1)

a = -200, b = 1600, c = 21000 - y

x must be real since it is the number of times the ticket price goes up.

So, b^2 - 4ac >= 0

(1600)^2 - 4 * -200 * (21000 - y) >= 0

2560000 + 16800000 - 800y >= 0

-800y >=  -19360000

y <= (-19360000)/(-800)

y <= 24200

Therefore, y is either less than or equal to 24200

Which means, y has maximum value at 24200.

Therefore maximum income generated will be 24200.

Now, y = 24200 in (1) gives,

-200x^2  + 1600x + (21000 - 24200) = 0

-200x^2  + 1600x - 3200 =0

-200 ( x^2 - 8x + 16) = 0

x^2 - 8x + 16 = 0

(x - 4)^2 = 0

That is, x = 4

i) Ticket price that will generate the most income for the Drama club

                                                                                            = 70 + 10x

                                                                                            = 70 + 10*4

                                                                                            = 70 + 40 = Rs.110

ii) Income expected to be brought in = Rs. 24200

We already obtained the maximum income above but you could verify it by substituting x = 4 in (1) and thereby, obtaining the maximum value of the quadratic equation.

I hope this helps. Please do let me know if there are errors in the procedure.