PMQ A particle of unit mass undergoes one-dimensional motion such that its velocity varies according to v ( x ) = βx − 2 n v(x) =βx-2n where, β β and n are constants and x is the position of the particle. The acceleration of the particle as a function of x is given by Ruhul Amin Alig
Q A ship A is moving Westwards with a speed of 10 kmph and a ship B 100 km South of A, is moving Northwards with a speed of 10 kmph. The time after which the distance between them becomes the shortest is: Ruhul Amin Alig
NEET 2015 If the radius of Al( A=27, Z=13 ) nucleus is taken to be RAl, then the radius of Te 125 53 Te53125 nucleus is near. Ruhul Amin Alig
