10. A car of mass 1 tone is brought to rest from a speed of 40 m/s in a distance of 80 m. Find the
braking force of the car assuming that it is constant and that there is a constant resistance to
motion of 100 N
[9900 N]

According to social exchange theory, altruistic behaviors benefit the individual who performs them. t/f

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?

Amaterial that provides resistance to the flow of electric current is called a(an) (1 points)