General Physics - BASIC QUESTION

21

Raksha Agarwal ·2014-02-20 05:05:37

3

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11

Shreya Banerjee ·2014-03-11 00:57:22

3

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11

Chandra Prakash Mishra ·2013-06-20 11:11:08

³

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1

Abhra Choudhuri ·2013-06-21 11:53:23

@Chandra Prakash Mishra, is it because of the friction offered by the air?

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21

Hamza-Ul-Huda ·2013-07-13 10:06:57

2..

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1

Agnish Choudhury ·2013-07-25 05:58:25

4.....

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Agnish Choudhury sorry, 2 and 3 i think. 4 cancelled.
Upvote·0· Reply ·2013-07-25 05:59:17
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466

Himanshu Giria ·2013-07-27 04:53:21

4...

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466

Himanshu Giria ·2013-07-27 04:59:06

F = mg = G M m / R²
or, g=G M / R²

now in case of air the upthrust or bouyancy depends on its volume and hence on density
so for substances of same density
2
is correct

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Himanshu Giria sorry ...... for substances of same density 3 is corrict
Upvote·0· Reply ·2013-07-27 05:00:15
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283

Sahil Jain ·2013-07-27 07:20:24

4

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Himanshu Giria Bur y not 3 ??
Upvote·0· Reply ·2013-07-27 18:18:02
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466

Himanshu Giria ·2014-03-11 08:15:22

Sir what is the correct ansr...

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1161

Akash Anand ·2014-03-14 02:50:10

If we consider that the body is dropped from a height compared to the radius of earth then 4th option will be correct.

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Prashant Kulthia And sir if we the body does not fall from such a distance...... then sir should the ans be (3) due to air friction and terminal velocity...???
Upvote·0· Reply ·2014-03-15 09:30:44
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