Join Sarthaks eConnect Today - Largest Online Education Community!
0 votes
9 views
asked ago in Physics by (9.1k points)

A bob is attached to a long, light string. The string is deflected by 30° initially with respect to vertical. The length of the string is 1 m. The value θ of at any time t after the bob has been released is (Use g =π2 ) :

(A) 30° cosπt

(B) 30° sinπt

(C) 30° sin( πt + 30° )

(D) None of these

1 Answer

+1 vote
answered ago by (10.6k points)
selected ago by
 
Best answer

Correct option: (D) None of these

Explanation:

For large angle like this (30º), the bob's motion is oscillating and note simple harmonic. In options A, B, C the equations written are of SHM. So the answer is D.

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
~~~*****~~~

Categories

...