What is the maximum useful magnification for our eye? defend your answer. (b) do they make systems with larger magnifications? (c) would this affect telescopes and microscopes equally?

The crank oa rotates in the vertical plane with a constant clockwise angular velocity ω0 of 5.6 rad/s. for the position where oa is horizontal, calculate the force under the light roller b of the 10.6-kg slender bar ab.

Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?

Acar traveling at 22 m/s starts to decelerate steadily. it comes to a complete stop in 15 seconds. what is it’s acceleration?