I have found finest lectures of physics finally boosts confidence for my jee preparation
@ishitagupta59593 жыл бұрын
@@SHIVAMYADAV-hb6dc hehehe lol
@jeeaspirant35503 жыл бұрын
@@SHIVAMYADAV-hb6dc I don't think so You should solve test papers
@avinashkashyapjha2247 Жыл бұрын
I did mistake of taking acceleration directly negative by using (dv/dt) < 0. I learned a new concept from this video.
@khushi37272 Жыл бұрын
Acceleration negative means retardation To acceleration Or velocity ke opposite sign kyu use kiye? Can u plz tell me...
@prabhatsingh9185 Жыл бұрын
@@khushi37272 Retardation mai ACC. Aur velocity dono oppos hone chaiye that is ki koi ek negative to dusra positive
@LegendaryBea Жыл бұрын
@@khushi37272 if i am moving in -ve x direction and acceleration is also acting in -ve x direction then i will be accelerating right? thats the answer to your question
@stuart_3605 ай бұрын
bro here positive and negative indicates directions so for retardation they must be opposite in direction or in other words opposite in sign @@khushi37272
@thecrafters52814 ай бұрын
Same bro
@_callmegupta4 жыл бұрын
Simple yet conceptual
@Dagad012 жыл бұрын
@@SHIVAMYADAV-hb6dc cover kiye thee tumne ?
@SHIVAMYADAV-hb6dc2 жыл бұрын
@@all-rounder7998 Tu IIT mai pdh rha h kya abhi
@shouryagupta64544 жыл бұрын
simply do the product of velocity and acceleration as negative and then use wavy curve method to solve the inequality
@prayasbatch69154 жыл бұрын
absolutely right bro
@prayasbatch69154 жыл бұрын
this method is simple
@insane_factor3 жыл бұрын
But not fundamental concepts are must
@_callmegupta3 жыл бұрын
@@insane_factor bro the concept I used was indeed the definition of retardation...BTW that was my other account
@anmolsharma84163 жыл бұрын
Good bro
@Artificial-short5 ай бұрын
Future, balak - who is ashish arora, All students from from 2014 to 2024 he is legend
@ansh.20603 ай бұрын
padhle bhai!
@namratakunwar18423 жыл бұрын
first time I understood this type of question thank you sir awesome
@ansh.20603 ай бұрын
use wavy curve a.v
@dhruvsharma8333 Жыл бұрын
very amazing yet very very simple looking problem!
@Meher1145 Жыл бұрын
its technically simple
@kumarrshubham63132 жыл бұрын
sir for t^2-t
@TargetOlympiad Жыл бұрын
Alternatively, we could just have solved the inequality a.v < 0 => t(t-1)(2t-1) 0 we get 1/2
@divya_25_066 ай бұрын
@@pratz_1337you have a misconception that retarding means acceleration is negative. Real concept is direction or sign of velocity and acceleration is different opposite. That's why a.v
@gauravbani-lv3yp5 ай бұрын
-×+ or +×- in both case answer will be negative So inequality is taking account of signs of acceleration and velocity so no need to say there is misconception ether you can say different approach.
@gauravbani-lv3yp5 ай бұрын
@RajTiwari007 negative multiplied by positive is negative so inequality will be negative there's no misconception
@pritipatil47023 жыл бұрын
Sir is these illustrations are same that are in Advance illustrations book PG
@bookworm7513 жыл бұрын
Whether these problem are there in advance illustration book
@sonamkaurkhurana2906 жыл бұрын
Where is the playlist of kinematics theory??
@alexs62846 жыл бұрын
i am totally dependent for physics on this channel PG ..its really very helpful
@adeelahmaddar70216 жыл бұрын
Saumya Singh is this channel good for neet preparation
@alexs62846 жыл бұрын
+Adeel Ahmad Dar not only for neet for iit jee olympiads as well......
@adeelahmaddar70216 жыл бұрын
Thanku. .but could i complete all the lectures before neet examination stating from right now
@alexs62846 жыл бұрын
+Adeel Ahmad Dar depends
@amanrubey6 жыл бұрын
What was your result after studying from pg?😊
@anmolempire11974 жыл бұрын
For all those kudos thinking that at t=-1,-2... Velocity will be +ve.. Remember time can never be negative hence its correct to say accordingly that for t
@saurabhpandey86814 жыл бұрын
Hey are physics galaxy videos enough for jee. And when are you gonna give jee.
@anmolempire11974 жыл бұрын
@@saurabhpandey8681 Remember the word *NOTHING* doesn't exist..You will always keep improving as much time you spent with chapters from various resources..For sure you will always keep improving. But as time is limited and we have to take care of all three subjects as well..Hence do pratice till your satisfactory level upto certain number of questions.. And YEAH Physics Galaxy is *GEM* it's upon you whether you consider it enough or not enough.m I am JEE 2021 ASPIRANT
@saurabhpandey86814 жыл бұрын
@@anmolempire1197 do you consider it enough. Are you able to solve good level of questions. Are your concepts getting cleared upto advance level after watching videos from PG(ASHISH ARORA) I am just asking this doubt.
@anmolempire11974 жыл бұрын
@@saurabhpandey8681 Yes concept taken are more than enough for understanding and acknowledging Concpet.. But make sure you watch all lecture sequentially and make notes.. And it would be better if you do self read theory and attempt atleast 40-50 from any standard books.. Easily you can excel for sure..
@saurabhpandey86814 жыл бұрын
@@anmolempire1197 what do you mean by self read theory
@rabiulawaljihad14633 жыл бұрын
isnt this method wrong ??? from graph we can clearly see v is decreasing when t 9s from 0 to .5 sec
@yashagrawal12563 жыл бұрын
sir i did a.v
@yashagrawal12563 жыл бұрын
so we only take time as +ve
@surajkjha113 жыл бұрын
Yes, I did it same way. Time can't be negative hence correct interval is (1/2,1)
@MrStoryteller_me8 жыл бұрын
sir is it OK to watch all the theories first and then the advanced illustrations? And after the completion of one whole topic .. doing advanced numericals from book?
@physicsgalaxyworld8 жыл бұрын
Yes that will be good... if you wish you can also attempt qusets in between videos in sequence available at www.physicsgalaxy.com and then visit quegrid.com and attempt rank booster at last...
@narayanapractice46328 жыл бұрын
sir please help me solve this problem iam not getting this Ball A is dropped from the top of a building at the same instant that ball B is thrown vertically upward from the ground. When the balls collide, they are moving in opposite directions, and the speed of A is twice the speed of B. At what fraction of the height of the building does the collision occur. sir answer is 2/3 sir your only my teacher god
@physicsgalaxyworld8 жыл бұрын
For your general queries other than this video you can post your queries on the INTERACT tab of our website www.physicsgalaxy.com... Below a video other queries discussion may distract other viewers of this video topic...
@chandankumarsingh18598 жыл бұрын
at 2:31 why u didn't equate t^2-t=0 as u did in case of acceleration..pls Explain Sir and also why did you equate a=0
@physicsgalaxyworld8 жыл бұрын
a is equated to 0 to find the time when sign of a is changing... and for velocity we need to find the times when the sign of v is opposite to a i.e. retarding what is asked in problem...
@Dagad012 жыл бұрын
even if we equate for velocity......it would be time when velo is zero
@omnikam5117 Жыл бұрын
sir can we solve these question wrt bullet taking bullet at rest
@HangingQueen3 жыл бұрын
It's actually jee main illustration
@potu65342 жыл бұрын
SIR THANK YOU VERY MUCH 😊😊😊😊😊😊
@priyadarshimeher2432 жыл бұрын
sir please upload the solution in graphical method
@nidhitiwari63255 жыл бұрын
Sir how can you decide that when t. is less than 1/2 acceleration is negative and vise versa.., please give me reply I could not understand this..😃😃
@VishalMaurya4 жыл бұрын
Its a inequality, a
@alphaq40963 жыл бұрын
a=2t-1 whenever a
@J_Prince24 Жыл бұрын
Thanks sie
@ShivamSingh-pf8es Жыл бұрын
The sing is also opposite in less than zero case Why u not consider that
@nitish96846 ай бұрын
Time -ve hota ha kya bhai So not involved
@mdirfunsadiqemran30142 жыл бұрын
awesome
@SagarKumar-oc2co3 жыл бұрын
please guys sir ki video ko dekne ke baad like bhi kiya karo. so that sir ke channel ki ranking increase kare. by doing this sir's channel will grow more and more.
@artsyash69364 ай бұрын
we gatekeep
@Soumyadipofficial9 Жыл бұрын
Some where in this this question you give some mathematically errors hain
@YasharthGuptaIITB3 ай бұрын
5:00
@louisfonsi44423 жыл бұрын
Kisi ke paas advance illustration ki pdf hai kya??
@Future_iitian_6 ай бұрын
Silly mistake done
@pep82215 жыл бұрын
Nai samaj me aaya
@hiteshsingh3285 жыл бұрын
Chocolate problem
@physicsgalaxyworld5 жыл бұрын
Many questions in NCERT are of similar level... thats why working on NCERT helps in competitive preparation at a good level...
@6784dinesh3 жыл бұрын
@Vedant Sharma h
@kumkumjha2823 жыл бұрын
@@physicsgalaxyworld sir for retardation dv/dt should be lesser than 0.So answer should be 0 to 1/2 . Sir please reply where I am wrong
@praveenkumaryadav61563 жыл бұрын
@@kumkumjha282 it's your misconception that in retardation dv/dt is -ve. Sir clearly said that in retardation hte sign of velocity and acceleration is opposite. whether it can be accn=-ve , vel=+ve or accn=+ve , vel=-ve
@sumanchaturvedi31713 жыл бұрын
@@praveenkumaryadav6156 thank u so much I got confused too