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# CBSE Free Doubts and Solutions

## give examples of positive, negative and zero displacement by drawing a suitable diagram

Asked by ishwaripawar8b 6th May 2021, 1:36 PM

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## Routes followed by two cars on three different days are given in the form of following Linear Equations:- DAY 1 :- Car A :- 2x + y = 2 Car B :- 2x + y = 6 DAY 2 :- Car A :- 2x – y =2 Car B :- 4x + 3y = 24 DAY 3 :- Car A :- 3x – y = 2 Car B :- 9x – 3y = 6 Plot the above routes of three different days on three different graph sheets (for each day , both the routes on same graph sheet) and write down the observations :- On which day , I) the cars are moving on the same track. ii) the cars are moving parallel to each other iii) the cars will meet at some destination.

Asked by santoshlamba34 6th May 2021, 12:34 PM

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## if alpha and beta are the zeros of polynomial f of x =3xsquare -4x +1 then find quadratic polynomial whose zeros alpha -beta /alphaplus 1 and beta-1/beta+1

Asked by abiramisenthilraja8 6th May 2021, 12:29 PM

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## Power of Electric Current. The power P expended by heat in an electric circuit of fixed resistance varies directly as the square of the current C in the circuit. A circuit expends 180 watts when a current of 6 amperes is flowing. What is the amount of heat expended when the current is 10 amperes?

Asked by suvethaaanbarasu 6th May 2021, 11:12 AM

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## 👆

Asked by akshyaramyabhavikatti 6th May 2021, 11:06 AM

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## Sheena asked her, " How do you find this weather?” The reported speech is

Asked by kamakshigaur 6th May 2021, 2:06 AM

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## Express your irritation about the post office employees class 10 a letter to god

Asked by mayankteotia720 5th May 2021, 10:57 PM

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## When potassium chlorate is heated in the presence of manganese dioxide catalyst, it decomposes to give potassium chloride and oxygen. So, why does potassium chlorate need a catalyst to decompose?

Asked by divyanshisaxena01 5th May 2021, 9:42 PM

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## √5 + √2 ÷ √5 - √2 ( √10 = 3.162 , √5 = 2.236

Asked by deebashawri 5th May 2021, 9:26 PM

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## how do you define.a good democracy what are its features

Asked by vsgwl1980 5th May 2021, 6:15 PM