Video uitwerkingen VWO 6 H14.5: Omvormen van formules met exponenten en logaritmen 11e editie - Wiskunde.net
SOLVED: Two spheres approach each other head-on. One sphere with mass 0.3-kg has a velocity of 4.0 m/s-East, and the other sphere (with unknown mass m) has a velocity of 3.0 m/s-West.