A . What is the acceleration of a race car if its velocity is increased from 44 m/s, S to 66 m/s, S over a 11.0 s period? b. What is the average velocity?
c. What is the displacement?

The focal length of a relaxed human eye is approximately 1.7 cm. when we focus our eyes on a close up object, we can change the refractive power of the eye by about 16 diopters. (a) does the refractive power of our eyes increase or decrease by 16 diopters when we focus closely? explain. (b) calculate the focal length of the eye when we focus closely.

Which of the following is a direct benefit of the use of assembly lines in production a. laws against theft fraud and coercion are needed to protect free choice. b. the government needs to plan efficient outcomes. c. competition among producers by itself cannot ensure a wide range of consumer choices. d. works pressure the government to guarantee minimum wages

Due in 40 explain in terms of frame of reference if you’re inside a moving train everything on the outside can seem to be moving