a 475 kg mass is brought close to a second mass of 169 kg on a frictional surface with a coefficient of friction 0.2. At what distance will the

a 475 kg mass is brought close to a second mass of 169 kg on a frictional surface with a coefficient of friction 0.2. At what distance will the second mass begin to slide toward the first mass? The acceleration of gravity is 9.8m/s2 and the value of the universal gravitational constant is 6.67259e-11