Peas help me to answer this questions 1) How do we calculate the momentum of a race car? What part of this changes during a collision?

2) What happening to the momentum of the car when they crash?

3) how does impulse factor into this?

4) what type of collision is it ( ideally) when cars crash into this SAFER barrier?

The seaport that is near caracas has which type of climate?

Aresearcher has developed two stains for use with seed plants. one stains sporophyte tissue blue; the other stains gametophyte tissue red. if the researcher exposes pollen grains to both stains, and then rinses away the excess stain, what should occur? a) the pollen grains will be pure red.b) the pollen grains will be pure blue.c) the pollen grains will have red interiors and blue exteriors.d) the pollen grains will have blue interiors and red exteriors.

Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?