Join Sarthaks eConnect Today - Largest Online Education Community!
+2 votes
asked in JEE by (55 points)

1 Answer

+1 vote
answered by (2.6k points)

It is simple ,

Use this  relation 

F= mv2 /r

ûmg= mv2 /r

 Here   F = 0.5mg Find v 

Answer  will come 7m/senlightened

Related questions

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

One Thought Forever

“There is a close connection between getting up in the world and getting up in the morning.“
– Anon