Assuming that a car travels at 70 mph, how many miles must be driven before a fatal accident is expected? ' (use table 1-4 in the book for accident frequencies) how many miles if the car is driven at 30 mph?

Plz mark brainliest 30 points 1) find the momentum of a 12 kg snowball that is rolling with a velocity of 9 m/s. 2) an 8 ball with a mass of .5 kg is sitting at rest. it is hit by the cue ball (1 kg) traveling at 2.5 m/s. if the cue ball is at rest after the collision, how fast is the 8 ball traveling after the collision? 3) two football players are running toward each other. if the offensive player is 75 kg and is running 8 m/s, how fast must the 60 kg defensive player run in order for the two players to hit and stop?

May someone me with these science questions

How many moles of sulfur dioxide are produced when 4.38 moles of oxygen completely react with iron (iv) sulfide