13:08 ka answer variable h because agar angular acceleration uniform h tou iska matlab h k angular velocity ka magnitude change ho rha h and we know that v=rw jiski wajah tangential velocity ka magnitude zyada hoga and centripetal acceleration= v²/r => (rw)²/r => rw² tou centripetal acceleration b zyada hoga
But sir agar length fixed hai mean same length bta diya to phir Time period ne Same rehna hai. ..incase ye mention nae hota k length same to phir ham assumption lga skty thy k plastics ka size ziada hai jiski center of gravity ki wja se length affect hoti hai. . .so sahi option t1=t2 hai
Sir up ne MASHALLAH upna haq ada kiya explaination kii but chemistry wala sir like f17 thunder.explanation ka mtlb agr 1 tek hai tu baqe 3 q ghalat hai likin kia kare sir thurha aram se bhee husakta hai
13:43 Body uniform angular acceleration k sath move kr rhii.. It means angular velocity is variable.. If angular velocity is variable then magnitude of linear velocity is also variable.. So how comes magnitude of centripetal acceleration constant??? Plzz explain
in physics most of the statements and mcqs are not clear.like in mcq no 2 when angular velocity is constant then no agular accelaration is correct.plzz write the clear and statements..
sir 146 . there is no such information about their size and shape , second there is also some possibility that steel ball have more length because steel ball have more mass so it increase its length i know length of wire is in extensible
@@AsadKhan-jx5tq Lectures ka nhi patha but Aap test zarur solve Kiya karien engecon ka. Aur lectures k liyai bhtt sai online sources hai Kahi sai bhi syllabus achai sai cover hojayga aapka.