How long does it take Looper to run 50 m if he speeds up from 2 m/s to 3.5 m/s?

Write a question about how changing temperature affects the gas inside the sports ball

When you turn on a battery-operated device, an electrical circuit is

An object is 10. cm from the mirror, its height is 3.0 cm, and the focal length is 2.0 cm. what is the image height? (indicate the object orientation by including the + or - sign with the answer.) hi = cm +1.33 -1.33 +0.75 -0.75