Amass m1 of 1610 kg is fixed in place on a frictionless surface at a distance l = 11.9 mm from a second mass m2 of 116 kg. mass m2 is free to move. the surface is slowly tilted. m l θ 2 µ = 0 m1 at what angle of inclination will the second mass begin to slide down the plane? the acceleration of gravity is 9.8 m/s 2 and the value of the universal gravitational constant

Four point charges each having charge q are located at the corners of a square having sides of length a. find symbolic expressions for the following. (a) the total electric potential at the center of the square due to the four charges (use any variable or symbol stated above along with the following as necessary: ke.) vtotal= (b) the work required to bring a fifth charge p from infinity to the center of the square (use any variable or symbol stated above along with the following as necessary: w=