An object P of mass 4 kg moving with a velocity 4 ms-1 collides elastically with another object Q of mass 2 kg moving with a velocity 3 ms-1 towards it. Determine the total momentum before collision.

Hey this is extremely !international aid debate for geography 10 will mark de brainliest! questions are down below plz put an answer and evidence for it. q1: what are the problems with international aid? q2: what are the alternatives to international aid? q3: what do you think is the best approach to offer international aid? ( answer these questions with credible answers and evidence)

Both pictures below were taken at the same time of day, but one picture was taken in summer, and the other in winter. how can you tell which is in winter

Formidable obstacles of climate, terrain, and distance hinder exploitation of natural resources in russia. true false