Consider two cars, with the second car having a mass six times the mass of the first car. Compare the kinetic energy of each car. Then describe the implications of your answer for using brakes to bring each car to a complete stop.

Aforce of 34.5 newtons is applied to an object at an angle of 45 º with the horizontal. what is the force acting on the object in the horizontal direction?

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?

Zeros that follow non-zeros numbers and are also to the right of a decimal point are significant