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A car covers 1/3 part of the total distance with a speed of 20Km/h and rest distance with a speed of 44Km/h. Find the average speed of car.

Posted by Kushal . 6 years, 5 months ago

CBSE > Class 11 > Physics

2 answers

Kushal . 6 years, 5 months ago

Thax

1Thank You

Gaurav Seth 6 years, 5 months ago

Let the distance be X.

1 / 3 x he covers using 20 km / h

Remaining = 2 / 3 km which he covers using 40 km / h

Lets take the distance x to be 1 then :

Time for the first portion will be:

T = Distance / speed

1/3 × 1/20 = 1/60 hrs

Second portion:

2 / 3 × 1/40 = 1 / 60 hrs

Average speed = total distance / total time

Total time = 2 / 60 = 1 / 30 hrs

Average speed :

1 ÷ 1 / 30

1 × 30 = 30 km / h

1Thank You

ANSWER

What is the process of accounting?

Posted by Poojita D 6 years, 5 months ago

CBSE > Class 11 > Accountancy

1 answers

Shraddha Maheshwari 6 years, 5 months ago

Step 1-Identifying Step 2-Measuring Step 3- Recording Step 4-Classifying Step 5-Summarizing Step 6- Analysing Step 7-Interpreting Step 8- communicating

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What is the significance of the sea holiday??

Posted by Mayank Kumar 6 years, 5 months ago

CBSE > Class 11 > English Core

1 answers

Ranveer ??? 6 years, 5 months ago

Go to the beach i mean goa....and enjoy enjoy....?????

0Thank You

ANSWER

Derive acceleration from velocity-time graph.

Posted by Deepjyoti Borthakur 6 years, 5 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

If force exerted by a tube on a liquid is dependent on density, velocity, cross-section of area. Find the formula

Posted by Vaishnavi Gajare 6 years, 5 months ago

CBSE > Class 11 > Physics

3 answers

Ayush Vishwakarma?? 6 years, 5 months ago

1 wala shai hai jisme m ka value hai

0Thank You

Ayush Vishwakarma?? 6 years, 5 months ago

M^1L^1t^2

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Ayush Vishwakarma?? 6 years, 5 months ago

M^L^1t^2

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ANSWER

Explain about islamic civilization

Posted by Gaurav Mehra 6 years, 5 months ago

CBSE > Class 11 > History

0 answers

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which of the following transaction is not a financial character

Posted by Arihant Choubey 6 years, 5 months ago

CBSE > Class 11 > Accountancy

0 answers

ANSWER

What is the physical quantities of force

Posted by Teju Sharma 6 years, 5 months ago

CBSE > Class 11 > Physics

1 answers

Vaishnavi Gajare 6 years, 5 months ago

Force is a derived quantity so it is having the dimensional formula MLT-2 ...

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'Iraq is a land of diverse environments'. Explain

Posted by Chetna Arora 6 years, 5 months ago

CBSE > Class 11 > History

1 answers

Tanushi Kumar 5 years, 4 months ago

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Mourad says 'I have a way'.How mny times does he says that and when?

Posted by Vandana Chouksey 6 years, 5 months ago

CBSE > Class 11 > English Core

0 answers

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What is arajakta

Posted by Sneha Verma 6 years, 5 months ago

CBSE > Class 11 > राजनीति विज्ञान

0 answers

ANSWER

What is vinimay

Posted by Sneha Verma 6 years, 5 months ago

CBSE > Class 11 > राजनीति विज्ञान

1 answers

Parmod Jha 6 years, 5 months ago

Kisi Bhi Ek Bastu Ke Liye Dusre Bastu Ka Adan Prdan Vinimay Khlata H

3Thank You

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What is rajnitik parikriya

Posted by Sneha Verma 6 years, 5 months ago

CBSE > Class 11 > राजनीति विज्ञान

0 answers

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Difference between open and closed cirulatory system

Posted by Sudarshan K 6 years, 5 months ago

CBSE > Class 11 > Biology

2 answers

Pinku Meena 6 years, 5 months ago

In open circulatory system blood circulates openly in the body but in close circulatory system blood circulates in blood vessels

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Jeet Kumar 6 years, 5 months ago

In Open circulatory system the blood circulate directly from heart to all rounded organs while in closed circulatory system the blood circulates through tubes like arteries and veins.

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Bhitar ke aandhare ki torch bachne aur' suraj chap 'torch bachne ke dhende mai kya farq hai ? Path ke aadhar par bataiye.

Posted by Sunita Medak Sunita Medak 6 years, 5 months ago

CBSE > Class 11 > हिंदी कोर

0 answers

ANSWER

What modes of communication did the early human evolve?

Posted by Tada Kun 6 years, 5 months ago

CBSE > Class 11 > History

0 answers

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What was the sight of maurad's horse both delightful and frightened for aram

Posted by Surendra Singh 6 years, 5 months ago

CBSE > Class 11 > English Core

0 answers

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What is the significance of the white horse in the story

Posted by Surendra Singh 6 years, 5 months ago

CBSE > Class 11 > English Core

0 answers

ANSWER

How to prove demorgan's law

Posted by Pallavi Patel 6 years, 5 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Compare and contrast the characters of maurad and aram

Posted by Surendra Singh 6 years, 5 months ago

CBSE > Class 11 > English Core

2 answers

Gunnu Nirman 2 years, 3 months ago

1Thank You

Sia ? 6 years, 5 months ago

Mourad and Aram were cousins and belonged to Garoghlanian tribe which was known for its honesty. Mourad was thirteen and Aram was nine years old. Both longed to ride a horse. But their family was too poor to buy a horse. Both were adventure-loving. Both knew that their family was well known for honesty and right conduct. But Mourad could not help stealing John Byro’s horse. While he had a streak of craziness, Aram was honest and simple-hearted. Mourad was more talented and bolder than Aram. He domesticated the wild horse of John Byro. He repaired the injured wing of a robin bird; he knew how to deal with a horse, and how to soothe a dog. Comparatively, Aram was timid and obedient. Mourad could easily lie to John Byro about the horse. Aram could never do it.

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What is the significance of white horse in the story

Posted by Surendra Singh 6 years, 5 months ago

CBSE > Class 11 > English Core

1 answers

Sia ? 6 years, 5 months ago

The white horse also symbolizes beauty. For Mourad and Aram the white horse is the most beautiful thing they've ever seen.

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ANSWER

Which additional book is best for physics?

Posted by Kirti Azad 6 years, 5 months ago

CBSE > Class 11 > Physics

3 answers

Ayush Vishwakarma?? 6 years, 5 months ago

Ncert ya praddep se padho

0Thank You

Kirti Azad 6 years, 5 months ago

Thanks

0Thank You

Sia ? 6 years, 5 months ago

H C Verma is a must-have and the go-to book for Class 12 Physics.

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Write about the generation gap as per in the chapter "The Potrait of a Lady"

Posted by Lucky Deori 6 years, 5 months ago

CBSE > Class 11 > English Core

1 answers

Sia ? 6 years, 5 months ago

The writer says that if the old people are not able to understand or accept the changes which take place in society regarding education, thinking, lifestyle etc., they feel isolated. This gives way to a generation gap which can be bridged to some extent by proper understanding by the old as well as the young.

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Did the boys return the horse because they were conscience stricken or because they were afraid

Posted by Surendra Singh 6 years, 5 months ago

CBSE > Class 11 > English Core

1 answers

Lucky Deori 6 years, 5 months ago

The boys returned the horse because they were conscience stricken not because they were afraid as Mourad and Aram belonged to the Garoghlanian tribe which was famous for its honesty. It was their craze for horses which made them steal one. However, after keeping the horse for few months, the farmer John Byro visited their house and saw the horse, he however didnot say anything to the boys rather he praised their family for it's honesty. This is the point where the boys realized that in order to keep their family tradition of honesty alive they would have to return the horse to the rightful owner.

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What do you mean by election spin quantum number

Posted by Maninderjeet Singh 6 years, 5 months ago

CBSE > Class 11 > Chemistry

2 answers

Urvi Sharma 6 years, 5 months ago

And it's value is +1/2 or -1/2

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Sia ? 6 years, 5 months ago

The Spin Quantum Number (ms) describes the angular momentum of an electron. An electron spins around an axis and has both angular momentum and orbital angular momentum.

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Find the domain and range of the function f(x) is equal to square -9 upon x-3

Posted by Rahul Dalal 6 years, 5 months ago

CBSE > Class 11 > Mathematics

1 answers

Sia ? 6 years, 5 months ago

Here {tex}f(x) = \frac{{{x^2} - 9}}{{x - 3}}{/tex}
f (x) assume real values for all real values of x except for x - 3 = 0 i.e .x = 3
Thus domain of f (x) = R - {3}
Let f (x) = y
{tex}\therefore y = \frac{{{x^2} - 9}}{{x - 3}} = \frac{{(x + 3)(x - 3)}}{{(x - 3)}}{/tex}
{tex} \Rightarrow {/tex} y = x + 3
y takes all real values except 6 as domain =R-{3}
Thus range of f (x) = R - {6}.

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In a group of 400 people! 250 can speak English only and 70 can speak hindi only. 1.How many can speak English? 1.How many can speak hindi only?

Posted by Rohit Choudhary 6 years, 5 months ago

CBSE > Class 11 > Mathematics