Milk is often sold by the gallon in plastic containers. (a) Estimate the number of gallons of milk that are purchased in the United States each year. (b) What approximate weight of plastic does this represent?
Step 1 of 3
**Workischangeintotalenergyamount. **Kindsofenergycanchangeevenifnoworkisdone. • GravitationalPotentialEnergy o Lifting/loweringthings;“height” o U =Gmgh § U G=(mass)(gravity)(height) § Example:Massof60kgliftedfromheight3mà4m.Beforeand afterGPE,howmuchwork 2 U Gi(60kg)(9.8m/s )(3m)=1764J 2 U Gf(60kg)(9.8m/s )(4m)=2352J W=U GfU =Gi88J • KineticEnergy“motion” 2 o K=½mv Example:Howmuchenergydoesa0.25kgballhaveat5m/s K=½mv =½(0.25kg)(5m/s) 2
Author: James S. Walker
The answer to “Milk is often sold by the gallon in plastic containers. (a) Estimate the number of gallons of milk that are purchased in the United States each year. (b) What approximate weight of plastic does this represent?” is broken down into a number of easy to follow steps, and 36 words. This textbook survival guide was created for the textbook: Physics, edition: 4. Physics was written by and is associated to the ISBN: 9780321611116. This full solution covers the following key subjects: Plastic, milk, approximate, gallon, gallons. This expansive textbook survival guide covers 32 chapters, and 3407 solutions. The full step-by-step solution to problem: 37 from chapter: 1 was answered by , our top Physics solution expert on 11/15/17, 04:23PM. Since the solution to 37 from 1 chapter was answered, more than 273 students have viewed the full step-by-step answer.