02/05/2026
Vikas classes
๐ LIVE PERSONAL MENTORSHIP ON ZOOM | LIMITED SEATS!
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30/04/2026
Vikas classes
๐ฅ CHALLENGE PROBLEM โ ELECTROSTATICS (IIT JEE LEVEL) ๐ฅ
A thin non-conducting ring of radius R carries a uniform charge Q. A point charge q of mass m is placed on the axis of the ring at a distance x = R from its center and released from rest.
๐ Find the maximum velocity attained by the charge q during its motion.
๐ Use energy conservation + electric potential concept
๏ฟฝ
๐ก Hint:
As the charge moves towards the center, potential energy changes โ converts into kinetic energy.
Maximum velocity occurs where potential is minimum.
๐ก Hint:
As the charge moves towards the center, potential energy changes โ converts into kinetic energy.
Maximum velocity occurs where potential is minimum.
๐ฏ Comment your answer below!
Correct solution will be posted soon ๐
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๐ Vikas Classes Live โ Learn Smart, Crack IIT!
30/04/2026
Vikas classes
๐ฅ CHALLENGE PROBLEM โ ROTATIONAL DYNAMICS (JEE ADVANCED LEVEL) ๐ฅ
A uniform solid cylinder of mass ๏ฟฝ and radius ๏ฟฝ is placed on a rough horizontal surface. A light string is wrapped around the cylinder and pulled horizontally with a constant force ๏ฟฝ as shown.
The cylinder rolls without slipping.
๐ Find:
Acceleration of the center of mass
Angular acceleration of the cylinder
Minimum coefficient of friction required to prevent slipping
๐ก Concepts Involved:
โข Rolling motion
โข Torque & angular acceleration
โข Static friction
โข Constraint: rolling without slipping
โก Bonus Twist:
What happens to acceleration if the same force ๏ฟฝ is applied at the center instead of via string?
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29/04/2026
Vikas classes
๐ LIVE WORKSHOP FOR ALL STUDENTS ๐
By Vikas Classes Live
Struggling with studies? Confused about exams, concepts, or strategy? ๐ค
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24/04/2026
Vikas classes
๐ Amazing Space Facts That Will Blow Your Mind! ๐
Do you know one day on Venus is longer than a year? ๐คฏ Or that a teaspoon of neutron star weighs billions of tons?
Explore the mysteries of space with Vikas Classes Live and boost your science knowledge in the most engaging way! Perfect for students preparing for NEET, JEE, and school exams.
๐ Learn Science Smartly
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๐ก Donโt just study scienceโฆ experience it!
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13/04/2026
Vikas classes
๐ฅ Did You Know This About Norway? ๐ณ๐ด
Most people have heard about the Northern Lights ๐, but very few know about these fascinating species โ Austreolis & Bureolisus! ๐คฏ
๐ง Science Fact:
These unique birds are adapted to extreme environments of Norway โ from rocky cliffs to icy tundra โ๏ธ
๐ Austreolis โ Strong & built for harsh coastal life
๐ Bureolisus โ Survives in freezing Arctic conditions
Nature is full of surprises! ๐โจ
Follow Vikas Classes Live for more เคเคธเฅ mind-blowing science facts ๐
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06/04/2026
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(By best subject professionals )
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