1. a 700kg racecar slowed from 30m/s to 15 m/s. what was its change in momentum? 2. if the car in the above problem took 5 seconds to slow down from 30m/s to 15 m/s. a. what is the impulse? b. what was the average force applied by the brakes?

Which of the following is the result of the nuclear weak force? the instability of large nuclei the repelling force between positively charged protons the structure of the atom certain types of nuclear decay

Drag each tile to the correct box. tiles bra i sequence

This is important 1. what happens to the speed of molecules in water vapor when it condenses to form a liquid? (2 points) the molecules slow down. the molecules speed up. the molecules slow down and then speed up. the molecules speed up and then slow down. 2. how might human activities change to compensate for a decrease in water supplies? (2 points) humans might build a factory. humans might build drainage systems. humans might extract more water from the ground. human behavior does not change because of the water cycle. i'll be grateful if anyone can answer these 2 questions !