
Which of the following alternative figures will be obtained by rotating 180° in clockwise direction the above figure?
Option figures:
The momentum of a body is 50 kg m s-1 and the velocity is 5 m s-1. What is the mass of that body?
A can do a piece of work in 10 days while B can do it in 30 days. A works on the first day, B works on the second day and this sequence continues till the completion of the work. In total how many days does it take to complete the work?