Consider a business jet of mass 38000 kg in takeoff when the thrust for each of two engines is 20000 N . What is the acceleration?

15. one purpose of the tread pattern on a tire is to a reduce tire wear. b. reduce traction c. allow water to flow away from the tire. d. look impressive.

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.

If an electric circuit is not grounded it is best to reach out and touch it to provide the ground a.true or b.false