a density bottle weight 0.5N when empty at 1.631N when full of glycerin at 0°C. when full of glycerin at 100. it's weight is 10577N. determine the cubic expansivity if the linear expansivity for glass is 8*10^-/K

Most of the volume of an atom is occupied by the

Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd a) 30 joules b) 3000 joules c) 320 joules d) 3200 joules

Along wire carrying a 4.2 a current perpendicular to the xy-plane intersects the x-axis at x=−1.7cm. a second, parallel wire carrying a 3.0 a current intersects the x-axis at x=+1.7cm. part a at what point on the x-axis is the magnetic field zero if the two currents are in the same direction? express your answer to two significant figures and include the appropriate units.