Q2. Two spheres weighing 100 kN and 150 KN are connected by a flexible string and rest on two mutually perpendicular planes PQ and QR. Find tension in the string which passes freely through slots in smooth inclined planes PQ and QR.​

A5 nc point charge is at the origin and a second 3 nc point charge is on the x-axis at x = 0.8 m. find the magnitude and direction of the electric field on the x-axs at x = 0.2 m. you may express the direction by letting positive field mean the positive x direction

Aneutron and a proton combine to form a nucleus. why does the mass of the nucleus differ from the sum of the masses of the individual nucleons?

The slope of a velocity time graph over any interval of time gives the during that interval