sathee Ask SATHEE

Welcome to SATHEE !
Select from 'Menu' to explore our services, or ask SATHEE to get started. Let's embark on this journey of growth together! 🌐📚🚀🎓

I'm relatively new and can sometimes make mistakes.
If you notice any error, such as an incorrect solution, please use the thumbs down icon to aid my learning.
To begin your journey now, click on

Please select your preferred language

JEE PYQ: Rotational Motion Question 42

Question 42 - 2020 (09 Jan Shift 1)

One end of a straight uniform 1 m long bar is pivoted on horizontal table. It is released from rest when it makes an angle 30$°$ from the horizontal (see figure). Its angular speed when it hits the table is given as $\sqrt{n}$ s$^{-1}$, where $n$ is an integer. The value of $n$ is ______.

Bar pivoted at one end, released from 30$°$ angle

($g = 10$ ms$^{-2}$)

Show Answer

Answer: 15


Learning Progress: Step 42 of 70 in this series