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I can complete a book in 30 days.The part of the book that I can complete in 20 days

I can complete a book in 30 days.The part of the book that I can complete in 20 days

The area of top face of a book, in the shape of a square, is 225 cm^(2) . The thickness of the book is 5 cm. Find its volume.

You are reshelving books in a library. You lift a book from the floor to the top shelf. The kinetic energy of the book on the floor was zero and the kinetic energy of the book on the top shelf is zero, so no change occurs in the kinetic energy even though you did some work in lifting the books. Is the work-kinetic energy theorem violated?

Recap of Books And Authors(किताबें और लेखक)|Books And Authors(किताबें और लेखक)|Recap of Important Books(महत्वपूर्ण किताबें)|Important Books(महत्वपूर्ण किताबें)|MCQ|Books By Chetan Bhagat (चेतन भगत की पुस्तकें )|OMR|Summary

A book is lying on the horizontal table top. If we tilt the table a little, then the book starts down slowly. This happens because :