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High School/JEE/NEET/IPhO Physics | 17-19 Yrs

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Thank you so much sir.. Crystal clear concept !

3 years ago by

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Does unit vector always give direction. (NEET aspirant...)

3 years ago by

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why angle taken here is cos and not tan please reply

3 years ago by

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Could not understand the last step of finding the angle..kindly re-explain again

4 years ago by

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Sir why did you take tita=cos^-1(a.b) Is there any formula that to find angle between velocity vector and acceleration vector we should take tita=cos^-1(a.b)

5 years ago by Gokkul

Ans 1 ->

example u take sin65 so theta = sin^-1(65)

5 years ago by Advik Nandakumar

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why the vector is transfere to unit vector ? can we take directly to calculate the dot product between velocity and acceleration vectors ?

7 years ago by Rohith V

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yes you can do it also... but to save time we first calculated the unit vectors and then found the angle between these... in many cases this method will help however here solution length will be same...

7 years ago by Physics Galaxy

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Can we can also find its answer buy Vy/Vx as its in tan* * angle between them...?

8 years ago by VAIBHAV GUPTA

Ans 1 ->

Vy/Vx will give the direction of velocity vector with x axis

8 years ago by Shiv Gupta

Ans 2 ->

you can also first find velocity vector,then find acceleration vector and then find the angle between them by using theta=a.b/mod a . mod b

6 years ago by ashmik harinkhede

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Video Lectures

High School/JEE/NEET/IPhO Physics | 17-19 Yrs

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