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  • 3 answers

Anushka Gupta 7 years, 5 months ago

And displacement =pie r

Anushka Gupta 7 years, 5 months ago

Distance = 7pie r not 70 pie r

Shikha Singh 7 years, 5 months ago

Time taken for1revolution=40sec 40sec=1revolution 1sec=1/40revolution No. Of revolutions in 2 min 20 sec =2×60+20×1/40=35revolutions Distance travelled in one revolution=2pie r So, Distance travelled in 35revolutions=35×2pie r=70 pie r Displacement=0
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Shanoo Keshari 7 years, 5 months ago

Go to market and ask book seller perhaps you can got best books and that shop you can see and also read it casually ..
  • 1 answers

Mr. Thakur 7 years, 5 months ago

For physics; ncert textbook, ncert examplar and hc verma. For chemistry; ncert textbook, ncert examplar and pradeep chemistry. For maths; ncert textbook, ncert examplar and rd sharma
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I think your teacher will give better advice.. but.. according to many students (that I heard normally from everybody) they follow ncert and they do all the questions of refresher whether it is SL ya HC.
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Mr. Thakur 7 years, 5 months ago

In significant figure are meaningful digits which are known with certainty. The uncertainty is indicated by writing the certain digits and the last uncertain digits and the last uncertain digits. Thus, if we write a result as 11.2mL, we say the 11 is certain and 2 is uncertainty would be +-11 in the last digit. Unless otherwise stated, an uncertainty of +1 in the last digit is always understood.
The meaningful digits which are known with certainty are known as significant figures.
  • 4 answers

Mohammed Mamoon 7 years, 5 months ago

Thanks

Aman Kumar 7 years, 5 months ago

Ya ... same ans . From my side....
in it.
Two vectors are called equal if their magnitudes and directions are same..... thus,, a parallel translation of vector does not bring about any change....
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The meaningful digits which are known with certainty are known as significant figures.
Hye
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Nihal Sharma 7 years, 5 months ago

Hii
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Aman Kumar 7 years, 5 months ago

The ability of an object to resume its normal shape after being streched or compressed......
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Mr. Thakur 7 years, 5 months ago

N.C.E.R.T and H.C. VERMA

Sehajbeer Singh 7 years, 5 months ago

Pradeep is the best

Asad Ali 7 years, 5 months ago

HC verma is the best book for physics

Aman Kumar 7 years, 5 months ago

If ur teacher had prefering then go 4 that ...... its good.

Aman Kumar 7 years, 5 months ago

Yah! ? u can prefer H C Verma also....it is also a good book....

Priyanshu Virendra 7 years, 5 months ago

Totally confused yrr ! plz hlp me

Priyanshu Virendra 7 years, 5 months ago

@aman kumar my teachers r prefering me h.c.verma

Aman Kumar 7 years, 5 months ago

S.L Arora......
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Aman Kumar 7 years, 5 months ago

Canberra.....
it's Canberra not Sydney. ?

Mohd Faiz 7 years, 5 months ago

Sydney
  • 1 answers

Tapan Pandey 7 years, 5 months ago

Because of the centrifugal force acting on electron from outside of the body
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Tapan Pandey 7 years, 5 months ago

Given

Anmol Yadav 7 years, 5 months ago

Given h ...check out the videos
  • 9 answers

Harsh Singh 7 years, 5 months ago

Sorry where we write motion (it is wrong)so,displacement can here the place of motion.

Harsh Singh 7 years, 5 months ago

The rate of change of motion is called as motion.

Tapan Pandey 7 years, 5 months ago

Join the initial and final point with straight line is known as displacement

Pooja Bhardwaj 7 years, 5 months ago

The difference between initial and final position of an object

Anmol Yadav 7 years, 5 months ago

The straight line distance between initial and final point is known as displacement

Anuj Singh 7 years, 5 months ago

The shortest distance travelled between two points is known as displacement

Yash Barnwal 7 years, 5 months ago

The shortest distance covered by an object in a specified direction

Mahesh Rd 7 years, 5 months ago

shortest distance covered by an object

Nancy Rajput 7 years, 5 months ago

the distace beteween two points or station is called displacement
  • 1 answers

Tapan Pandey 7 years, 5 months ago

It is not equal

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