A disc revolves with a speed …

Posted by Deepak Sangwan 5 years, 7 months ago

Posted by Soha Soha 1 year, 3 months ago

Posted by Arnav Maheshwari 1 year, 3 months ago

Posted by Nikki Dubey 1 year, 3 months ago

Posted by Mansi Class 9Th 1 year, 3 months ago

Posted by Jiya Karki 1 year, 3 months ago

Posted by Nekita Baraily 1 year, 3 months ago

Posted by Mohammed Javith 1 year, 3 months ago

Posted by M D 1 year, 3 months ago

Posted by Pankaj Tripathi 1 year, 3 months ago

Posted by Anshul Dadwal 1 year, 3 months ago