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Shomili Pal from South Point High School, Kolkata
Subject :NSO    Class : Class 7

In the figure shown, PQRS is a rectangular smooth tube kept fixed in a vertical plane. A particle is projected from point P to reach point R with same speed for both the paths PSR and PQR. At the corners Q and S velocity changes its direction by 90° without any change of its magnitude. If time taken for the paths PQR and PSR are t1 and t2 respectively, then (given l > b)


A
B
C
D


Ans 1:

Derek from Arsha vidya Mandir, Chennai
Class : Class 7
How

Ans 2:

Anuj Garg from Modern school , Jaipur
Class : Class 7
Answer is A as speed is same and magnitude is not changing

Ans 3:

Ishaan Pal from Christ Academy, Bangalore
Class : Class 9
how??

Ans 4:

Megha Simha A from Sri vidyaniketan international school, Tirupathi
Class : Class 8

Ans 5:

Raanan Bangia from BGSIPS, Dwarka New Delhi
Class : Class 7
please provide a correct solution for this question

Ans 6:

Megha Simha A from Sri vidyaniketan international school, Tirupathi
Class : Class 8
Solution is not available

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