CBSE > Class 09 | CBSE Board | Homework Help

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4. An object of mass 100 kg is accelerated uniformly from a velocity of 15m/s to 20 m/s in 6s. a) find the magnitude of force exerted on the object

Posted by Ananya Rajesh 9 months, 3 weeks ago

CBSE > Class 09 > Science

1 answers

Lakshay Narang 9 months ago

As follow the following F = ma F= 100a For finding a, a =v-u/t a=20-15/6 a=5/6 F=100*5/6 F= 83 Newton (approx)

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Different intrest groups can influences on the of government

Posted by Shoaib Akhtar 9 months, 3 weeks ago

CBSE > Class 09 > Social Science

1 answers

Badal Saini 9 months, 3 weeks ago

What is tha first pm

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Who are know as November criminals???

Posted by Qashish Godse 9 months, 3 weeks ago

CBSE > Class 09 > Social Science

2 answers

Saroj Ghosh 9 months, 3 weeks ago

Socialists,catholics and democrats who supported the Weimar republic were criticized and known to be as November criminals

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Saktheswaran T.T 9 months, 3 weeks ago

The term "November Criminals" was used by some Germans to refer to the politicians who signed the armistice ending World War I in November 1918. They were accused of betraying Germany by accepting harsh terms, leading to resentment and contributing to the political turmoil of the Weimar Republic.

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Find the mean of following distribution x. f 12. 5 16. 7 20. 8 24. 5 28. 3 32. 2

Posted by Akshay Saraswat 9 months, 3 weeks ago

CBSE > Class 09 > Mathematics

0 answers

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Shanti sweets stall was placing an order for making cardboard boxes for packing their sweets.two sizes of boxes were required .the bigger of dimensions 23cm×20cm×5cm and the smaller of dimensions 15cm×12cm×5cm.for all the overlaps 5% of the total surface area was required extra .if the cost of the cardboard is rs 4 for 100cm^2 find the cost of cardboard required for supplying 250 boxes of each kind

Posted by Pihu Singh 9 months, 3 weeks ago

CBSE > Class 09 > Mathematics

1 answers

Shahina Rahim 9 months, 3 weeks ago

488

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Posted by Aparna Kumari 9 months, 3 weeks ago

CBSE > Class 09 > Science

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Factorise x³-23x³+142x-120

Posted by Sandhya Dewangan 9 months, 3 weeks ago

CBSE > Class 09 > Mathematics

2 answers

Shashank Verma 9 months, 3 weeks ago

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Sarvesh Adiga 9 months, 3 weeks ago

No answer

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Explain how the scope of rights transformation has expanded over time

Posted by Pooja Gurjari 9 months, 3 weeks ago

CBSE > Class 09 > Social Science

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"the smell of hot sizzling food reached several meters away but to get the smell of cold food we have to go close . Give reasons .

Posted by Sairam Digoju 9 months, 3 weeks ago

CBSE > Class 09 > Science

3 answers

Ramitha Poojary 9 months ago

It is because hot sizzling food particles have high kinetic energy which allows them to diffuse quickly in the air and travel a distance of several metres as opposed to cold food particle which have low kinetic energy and cannot travel a distance of several metres. Hope this helps you!Thank you.

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Prachi Munde 9 months, 3 weeks ago

It is because of the increase in temperature of hot food which allows the kinetic energy to diffuse faster which makes the particles travel faster than smell of cold food

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Muskan Prakash 9 months, 3 weeks ago

this is because the smell of hot sizzling food have high kinetic energy which allows the particles to travel in air then the smell of cold food

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How many joules are there in 1Kwh ?

Posted by Apoorv Shukla 9 months, 3 weeks ago

CBSE > Class 09 > Science

5 answers

Prachi Munde 9 months, 3 weeks ago

3.6×10^6

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Rajvir Kumar 9 months, 3 weeks ago

3600000 Joules

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Atharva Sharma 9 months, 3 weeks ago

1000 J

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Samit Mishra 9 months, 3 weeks ago

1000

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Anirudh Sharma 9 months, 3 weeks ago

1000 joules

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How is the valency of an element determine

Posted by Dilpreet Singh 9 months, 3 weeks ago

CBSE > Class 09 > Science

2 answers

Asana Ali 9 months, 3 weeks ago

Outer shell has 1,2,3 then valency will be 1,2,3 . Outer shell has 5,6,7 then we will minues in 8 this no 5,6,7 then we will find valency 3,2,1

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Samit Mishra 9 months, 3 weeks ago

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An element has electronic configuration 2, 8, 4. It will be classified as

Posted by Hetsoni King 9 months, 3 weeks ago

CBSE > Class 09 > Mathematics

2 answers

Abhinav Nair 9 months, 3 weeks ago

This element has 2,8

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P. Guru Teja Prathap 9 months, 3 weeks ago

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Factorize 8x³-(2x-y)³

Posted by Neenu N 9 months, 3 weeks ago

CBSE > Class 09 > Mathematics

1 answers

Abhinav Nair 9 months, 3 weeks ago

y³+8x²y-4xy²

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Calculate formula unit of MgCl2

Posted by 😈👿 𝕂𝕒𝕦𝕤𝕙𝕒𝕝 9 months, 3 weeks ago

CBSE > Class 09 > Science

4 answers

Mayank Shelke 9 months, 2 weeks ago

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Keshav Garg 9 months, 3 weeks ago

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Atharva Garg 9 months, 3 weeks ago

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😈👿 𝕂𝕒𝕦𝕤𝕙𝕒𝕝 9 months, 3 weeks ago

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a boy throws a ball weighing 800 grams in vertically upward direction with its velocity of 20 metre per second (1) findthe finial movementum. (2) Find its movementum at the highest point of filght

Posted by Shankith Gowda C.V 9 months, 3 weeks ago

CBSE > Class 09 > Science

1 answers

Aniket Kumar 9 months, 3 weeks ago

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If the sum of the angles in quadrilateral is 360 deegree and one angle measure 110 degrees find the sum of the remaining three sids

Posted by S K 9 months, 4 weeks ago

CBSE > Class 09 > Mathematics

1 answers

Prabhav Vaidya 9 months, 4 weeks ago

360-110=250° The sum of remaining angles of the quadrilateral is 250°

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Once upon a time there lived a young boy called Bunty he came from a very poor family one fine dayonce upon a time there lived a young boy called Bunty he came from a very poor family one fine day he left home and come to Mumbai and started pollution shoes at the Mumbai Central Railway Station to this

Posted by Tanuj Gupta 9 months, 4 weeks ago

CBSE > Class 09 > English Lang & Lit. (184)

0 answers

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Annual function diary entry

Posted by Moksh Jain 9 months, 4 weeks ago

CBSE > Class 09 > English Lang & Lit. (184)

1 answers

Sumina Khatoon 9 months, 3 weeks ago

1/2/24

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"A friend in need is a friend indeed."do you think the story "the last leaf"support this statement? explain with reference to sue

Posted by Bhupesh Tak 9 months, 4 weeks ago

CBSE > Class 09 > English Lang & Lit. (184)

1 answers

Shweta Gangwar 9 months, 3 weeks ago

Yes I totally agree with the statement A friend in need is a friend indeed because in the story last leave johnce had made a supposition that she would die with the last leaf of ivy creeper with fall see you her best friend follows her duty in telling this situation to Behrman's and to save johnsi from her stupid supposition and pneumonia Behrman made an identical leave just looking like that leaf of IV creeper and stuck it on that creeper. With this Johnsy after few days started became healthy while in order to save Behrman suffered from pneumonia and died. Sue and Behrman both help johnsy to recover . Also the dream of making masterpiece came true

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What is the Nazi cault of mother hood

Posted by Ꭺʏᴜꜱʜ Raj 9 months, 4 weeks ago

CBSE > Class 09 > Social Science

1 answers

Asana Ali 9 months, 3 weeks ago

The Nazi cult of mother hood is a association which is made by Hitler In this association the mother birth two pure blooded aryan boy then she found bronze 🥉 by Hitler . The mother birth four pure blooded aryan boy then she found silver 🥈 by Hitler and the mother birth six pure blooded aryan boy then she found 🥇 gold by Hitler.

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In an isosceles triangle ABC, with ab = ac, the bisectors of angle b and angle c intersect each other at o. Join a to o show that (i)ob=oc (ii) ao bisects angle a

Posted by Yashank Lokanindi 9 months, 4 weeks ago

CBSE > Class 09 > Mathematics

0 answers

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A 5kg ball id dropped from a height of 10m. Calculate the initial potential energy of ball as well as the kinetic energy just before it reaches the ground also calculate velocity before its reaches the ground

Posted by Account Deleted 9 months, 4 weeks ago

CBSE > Class 09 > Science

1 answers

Atharva Garg 9 months, 3 weeks ago

Potential energy=100J Kinetic energy=100J {conservation of energy} Velocity=√40m/s

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"When I see a field in need, I descend and embrace the flowers and the trees in a million little ways". Write an imaginary conversation between a flower, a tree and the field, discussing the role of rain in their lives. You may begin like this: Tree: My life began as a seed. I came to life only after the rain drops embraced

Posted by Mugdha 9 months, 4 weeks ago

CBSE > Class 09 > Communicative English (101)

1 answers

Rupal Gupta 9 months, 4 weeks ago

Write down all characteristics of Villa for sale

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Posted by Nandini Yogi 9 months, 4 weeks ago

CBSE > Class 09 > English Lang & Lit. (184)

0 answers

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Write a diary entry about meera lost her favorite wrist watch while she had gone for a picnic with her school friends being sad and upset she write a diary entry to vent out her feeling

Posted by Dhairya Mam Prakash 9 months, 4 weeks ago

CBSE > Class 09 > English Lang & Lit. (184)

1 answers

Ankit Agarwal 9 months, 4 weeks ago

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Who gave chanclership to Hitler name the person

Posted by Mayank Sindhu 9 months, 4 weeks ago

CBSE > Class 09 > Social Science

5 answers

Priansh Singla 9 months, 3 weeks ago

The president of Germany,Hindenburg

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Paras Pathak 9 months, 3 weeks ago

The president of Germany - Hindenburg

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Mayank Sindhu 9 months, 3 weeks ago

The president of Germany

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Pranshu Dwivedi 9 months, 3 weeks ago

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3Thank You

***** ### 9 months, 4 weeks ago

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