A Numerical from kinematics

when a obj. crosses a 5m mark below the top of a building….a 2nd object is released at tat time which is 25m below the top…n den they reach the ground simultaneously…wat is the height of the building??????( dey are both free fallin bodies)Q. from mechanics part 1 DC PANDEY

Pattern of Half Yearly Exam for Class XI

In most schools NCERT Textbook Vol – I will be taken as the portion for Half yearly exam. The mark distribution as per CBSE  is like this 1 mark x 8 questions  = 8 marks 2 marks x 10 questions  = 20 marks 3 marks x 9 questions  = 27 marks 5 marks x 3 … Continue reading Pattern of Half Yearly Exam for Class XI