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idk either

•Created by SirLancelotDuLac on 2/18/2025 in #💭│doubts

NLM: Direction of friction

yes..until 6kg block reaches maximum friction. then tension will generate to keep equilibrium. that was my understanding

51 replies

•Created by SirLancelotDuLac on 2/18/2025 in #💭│doubts

NLM: Direction of friction

i didnt fully understand but ill quote what he said: The external forces are cancelling each other, so yes system will be in equilibrium. As the external force keeps increasing, it'll first reach the value of 43.2N which is the maximum fiction on the 6 KG block. After this tension will become non-zero to balance the extra force. So ultimately the tension will have to be 60-43.2 which is 16.8 Ν.

51 replies

•Created by SirLancelotDuLac on 2/18/2025 in #💭│doubts

NLM: Direction of friction

hey are you sure the answer given is 12? according to my teacher it is 16.8

51 replies

•Created by cauchyschwartz on 2/19/2025 in #💭│doubts

nlm

you forgot to draw that buoyant force in FBD of balloon... rest is correct

16 replies

•Created by cauchyschwartz on 2/19/2025 in #💭│doubts

nlm

only the force which is pulling the balloon upward will remain same

16 replies

•Created by Gamertug on 1/29/2025 in #💭│doubts

Nlm

so t+t' = nt

23 replies

•Created by Gamertug on 1/29/2025 in #💭│doubts

Nlm

v= (n-1)gt so t'=(n-1)t

23 replies

•Created by Gamertug on 1/29/2025 in #💭│doubts

Nlm

so v=gt' , where v is final velocity of accelerating phase and t' is time of decelerating phase

23 replies

•Created by Gamertug on 1/29/2025 in #💭│doubts

Nlm

what did she take as deceleration value?

23 replies

•Created by Gamertug on 1/29/2025 in #💭│doubts

Nlm

question says "from rest to rest", so it is not constant acceleration motion throughout. first accelerates at max accln which you found and then at some point it will start decelerating so it can come to rest. so you have to find the time of both and add

23 replies

•Created by hardcoreisdead on 1/26/2025 in #💭│doubts

kinematics

gpt doesnt count the nth drop in sqrt(2h/g), i guess depends on the question's wording?

43 replies

•Created by hardcoreisdead on 1/26/2025 in #💭│doubts

kinematics

i think the q asked individual distances of 2nd and 3rd drop from ground, not distance between then

43 replies

•Created by hardcoreisdead on 1/26/2025 in #💭│doubts

kinematics

i checked it, everything made sense

43 replies

•Created by hardcoreisdead on 1/26/2025 in #💭│doubts

kinematics

chatgpt solved it well

43 replies

•Created by flower on 1/16/2025 in #💭│doubts

NLM ADVANCED

what is A and B?

18 replies

•Created by hardcoreisdead on 10/8/2024 in #💭│doubts

quadratic

2a is negative, so inequality will reverse

29 replies

•Created by idk either on 8/29/2024 in #💭│doubts

atomic structure

+solved 1035556259417571408

12 replies

•Created by idk either on 8/29/2024 in #💭│doubts

atomic structure

thank you sir

12 replies

•Created by idk either on 8/29/2024 in #💭│doubts

atomic structure

so basically that general relation of TE and PE is only applicable for electrons in hydrogen like atoms, not for any single e- system, am i right?

12 replies