projection is any projection of features of an object onto an imaginary plane called a plane of projection.

two charges are fixed in place on the x-axis as shown. the charge at x = 0 is negative and has magnitude q = 2 μcoulombs (1 μcoulomb = 10-6 coulombs). the charge at x = d, (d = +12 cm), is positive and has magnitude q = 4 μcoulombs. find a point x = xo along the x-axis at which the electric field is zero.

i think it's 35 meters

conservation of mass

mass before something happens = mass afterwards

gravitational energy

electrical energy

kinetic energy

ligh energy