Which is one use of lasers A. reproducing images to make them clearer

B. Producing a magnified image of the moon

C. Cutting an iron bar into two pieces

D. Making a leaf appear larger so it’s veins are visible

The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force

What distance does a car travel as its speed changes from 0 to 20 m/s in 17 s at constant acceleration?

Aproduction line at v. j. sugumaran's machine shop has three stations. the first station can process a unit in 7 minutes. the second station has two identical machines, each of which can process a unit in 16 minutes (each unit only needs to be processed on one of the two machines). the third station can process a unit in 10 minutes. ▼ is the bottleneck station, with a bottleneck time of nothing minutes per unit (enter your response as a whole number).