explain the dependence of agriculture on the available water

tis is the answer do you know

Answer:

In 1 minute the wheel turns 360 times, So in 3 seconds it turns 18 times. One revolution =360 degrees =2π radians. So 18 revolutions =36π radians.

Given,

Revolution/ min = 360 times

To find,

No of revolutions in 3 sec = ? (in radians)

Solution,

We know that it takes 60 sec to complete 360 revolutions.

               1 revolution = 360°                                                (i)                        

And,

                360° = 2π radians                                                (ii)

From (i) and (ii)

               1 revolution = 2π radians

By using unitary method,

                1 revolution→ 2π radians

           360 revolution→     ?

∵  No. of radians covered by 360 revolutions in 60 secs is 720 π radians.  

By using unitary method again,

                 60 secs→720 π radians

                    3 secs→      ?

Therefore, in 3 secs the wheel will cover 12 π radians.

Answer:

The poem highlights on the fact that which day we should try to make a difference in other's life by helping them.

Explanation:

• a) Theme- The poem focuses on the fact that the good deeds we do for others,will reward us with a better life.

• b) Poetic device- The poem follows a question answer pattern where the poet ask the reader and make them think whether they made a difference in someone's life by treating them with kindness.

• c)Message of the poem-  We should not live for our the sake of our own needs, we should work for the welfare of the mankind. Help others in need.Making someone's life better adds happiness to our life.

• d) Special feature-  The poem follows a pattern of rhyming couplets. It is a poem that inspires us to become a better human ,rectify our negative deeds and make our daily activities worthy enough to make our life fruitful.

Answer:

               CRITICAL APPRECIATION

                                                          -Have You Earned Your Tomorrow

The inspirational poem "Have You Earned Your Tomorrow" is written by the famous poet Edgar Guest. The poem beautifully explains the poet's thoughts and vision. The theme of the poem is believing in karma. The poet advises us to do good today and we would receive the same goodness the following day or "tomorrow". In simpler words, the poets want us to contribute something good for the welfare of the society and instead of that, we would receive the goodness in the future. If we are good with others, others would treat us with utmost care and affection. The poetic devices used in this poem are Alliteration, Interrogation, Metaphor, Personification, Tautology, and Synecdoche.

The poet wanted to spread a message through such an artistic poem. He said that we all seek a pleasant and happy future for ourselves and to achieve that we need to keep a track of our daily activities and ensure we are not involved in any unconstitutional deeds. If we do something good today, something good would happen to us " tomorrow". What goes around always comes around. The use of visual imagery perfectly is what made the poem so special. It added an overall appeal to the poem. The way everything was written brings out the metaphorical references more distinctly.

In my opinion, the poem did a great job of bringing out such a fact in the most elegant way possible.

Answer:

Pressure on the piston=  

A/F

​

Force F=m×a

              =2000×9.8            

Area of cross section A=2.25×[tex]10^{-2} m^{2}[/tex]  

Therefore the pressure P=  

(2.25×[tex]10^{-2}[/tex] )/(2000×9.8)

​

P=0.8711×10 Pascal

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Given

Mass (m) = 2000 kg

Area of cross-section (A) = 2.25 × [tex]10^{-2}[/tex] [tex]m^{2}[/tex]

Acceleration due to gravity (a) = 9.8 m/[tex]s^{2}[/tex]

To find

The maximum pressure (P) that the smaller piston can bear.

Solution

In order to solve this question correctly and easily, we can follow the given steps.

From what knowledge we have of this chapter in Physics we know that to calculate the pressure we first have to find the force (F).

We are going to use the value of acceleration due to gravity as 9.8 m/[tex]s^{2}[/tex] because it has not been stated otherwise.

So,

Force (F) = m × a

               = 2000 kg × 9.8 m/[tex]s^{2}[/tex]

               = 19600 N

Thus, the force has been calculated to be 19600.

We know that,

Pressure (P) = [tex]\frac{F}{A}[/tex]

                    = [tex]\frac{19600}{2.25*10^{-2} }[/tex]

                    = 0.8711 × [tex]10^{6}[/tex] [tex]\frac{N}{m^{2} }[/tex]

Thus, the maximum pressure the smaller piston would have to bear will be 0.8711 × [tex]10^{6}[/tex] [tex]\frac{N}{m^{2} }[/tex].