Amystery liquid was given to you by an investigator. he is trying to identify it by looking at its physical characteristics. you measure out 20.0 milliliters of the liquid and find its mass to be 15.9 grams. according to the table, which liquid do you believe is the mystery substance? a) lamp oil b) baby oil c) vegetable oil d) rubbing alcohol

You are driving directly behind a pickup truck, going at the same speed as the truck. a crate falls from the bed of the truck to the road. (a) will your car hit the crate before the crate hits the road if you neither brake nor swerve? (b) during the fall, is the horizontal speed of the crate more than, less than, or the same as that of the truck?