Two drivers (driver A and driver B) are traveling in opposite directions on a long, straight road at different constant velocities. Their motions are represented by the position-time graphs of each, shown below. a)How long had driver A already been driving when driver B started to drive?

Four objects are being tested to see how they are affected by fluid friction. object w has a surface area of 4.5 cm2, object x has a surface area of 2.5 cm2, object y has a surface area of 6.2 cm2, and object z has a surface area of 3 cm2. which object would experience the most fluid friction?

Which is not a source of noise pollution? a)airplanes b)acid rain c)machines d)cars

Which of the following is not am example of a polymer? protein nylon kevlar concreta