dadoymuhammed0 dadoymuhammed0

26-04-2018
Physics

contestada

A 20.0 kg object is at rest, and then speeds up to 16.0 m/s. How much work was done on this system?

Respuesta :

iisAzrael iisAzrael

26-04-2018

Work=Change in Kinetic Energy
1/2mVf^2-1/2Vi^2=W
1/2(20)(16)^2-1/2(20)(0)^2=W
2560-0=W
W=2560J

Answer Link

Otras preguntas

one day,the state fair total attendance was 126,945 . round 126,945 to the nearest hundred thousand,nearest ten thousand,and nearest thousand. which of these

In a market economy a significant change in consumers' desire for product x will: select one: a. alter the profits or losses received by certain firms. b. cause

Mr. Welch understands that Tommy sometimes means to obey, but fails to control his behavior. Tommy loves to play with his peers, but tends to annoy them with im

the term used to describe single-celled organisms is

Worth 45 points helppp Instructions: The following argument argues for owning pets. Read the argument and answer the question that follows: Topic and Question

the number of protons in a neutral atom equals the number of neutrons minus electrons electrons plus neutrons neutrons electrons

define gay lussaics law

At a casino, a combination of two spinners is used to decide the winner based on the sum of scores from spinning. the spinners each have four colored spaces - r

1. Consider each of the situations below. Decide if each one is a legitimate or illegitimate use of power, and explain each of your decisions. A government that

A square piece of fabric has sides length 3.7 cm what’s the area?