A ball of mass 6.00 kg moving with a velocity of 10.0 ms-1 collides with a 2.0 kg
ball moving in the opposite direction with a
velocity of 5.0 ms-1. After the collision the
two balls coalesce and move in the same
direction. Calculate the velocity of the
composite body.​

v=8,7m/s

Explanation:

Quando dois corpos andam aglutinados, significam que têm a mesma velocidade, e a quantidade de movimento antes de uma colisão, é igual á quantidade de tempo depois dessa colisão

.) the observation by semmelweis that more mothers died of childbed fever when their doctors also worked in the morgue

the answer is ampere

the ampere is used to measure electricity. an ampere is a unit of electric current equal. a unit of measure for the flow of current in a circuit. one ampere is the amount of current flow provided when one volt of electrical pressure is applied against one ohm of resistance.