Newton's second law states that the force on a drag racer is equal to the mass of the car times its acceleration. one of the most important factors determining the cars acceleration is the tires on the car. this is because the force accelerating the car forward is provided by

Awoman stands a distance d from a loud motor that emits sound uniformly in all directions. the sound intensity at her position is an uncomfortable 2.0×10-3 w/m2. at a distance 2.6 times as far from the motor, what are (a) the sound intensity and (b) the sound intensity level relative to the threshold of hearing?

Need people build a dam to create a reservoir that supplies water a nearby city needs. describe two ways this action will likely affect the water cycle in the local environment. (5 points) worth 20 points

When the magnetic domains in a material can be aligned, but eventually drift out of alignment, the material is