vaelriacb1767 vaelriacb1767

02-07-2017
Physics

contestada

An object lifted 10 meters gains 200 j of potential energy. if the same object is lifted 20 meters, its potential energy gain is

Respuesta :

15-07-2017

Ep1=mgh1
200J=m*9.81m/s2*10m
200J=m*98.1m2/s2
m=200J/(98.1m2/s2)
m=2.04kg
Ep2=mgh2
Ep2=2.04kg*9.81m2/s2*20m
Ep2=400J

Answer Link

Otras preguntas

Pollen can be spread by wind and by animals. true false

In the early 1900s the u.s. government banned the interstate commerce of which kinds of films? study

Determine the DNA sequence from which this mRNA sequence was transcribed

A coin is tossed and a die is rolled. Find the probability that the coin lands on tails and an even number is rolled?

which process can be described as two cell divisions, genetic variation, and haploid cells?

Who was the first Jewish martyr

Which was a major concern for southern farmers of the Colonial era when choosing land to settle and cultivate?

If there is a 80% chance of rain and a 70% chance of wind and rain what is the probability that it is windy given that its rainy

Antarctica and Greenland provide examples of _____ climates. tropical subtropical temperate polar

Further, it would be fitting and symbolic that ships from all over the world, entering the golden gate, would first see indian land, and thus be reminded of the