myraloves573 myraloves573

11-01-2016
Physics

contestada

A 25.0 kg pickle is accelerated from rest through a distance of 6.0m in 4.0s across a level floor . If the friction force betweet the pickle and the floor is 3.8N, what is the work done to move the object

Respuesta :

deathmetal420 deathmetal420

11-01-2016

Add the KE increase and the work done against friction.

The final velocity is twice the average, or 3.0 m/s
The final KE is (1/2)*25*3^2 = 112.5 J

The friction work done is 6*3.8 = 22.8 J
hope this is correct

Answer Link

Otras preguntas

Which of the following is typically seen as a benefit of using a well-defined planning process? 1) Ensures increased access to resources 2) Replaces the need fo

What is defined as the process of determining the relative worth of jobs to determine pay structure? 1) job evaluation 2) job analysis 3) job description 4) job

binominal situation, In a recent survey 80% of the community favored a police substation in their neighborhood. If 15 citizens are chosen what is the mean numbe

Explain the steps used in BLAST, namely seeding, database scanning and extension in order?

What is the corect ancer 1\4k 1\4m-2\3k 5\9m

Suppose you have a 131 kg wooden crate resting on a wood floor with a kinetic friction coefficient of Œ°ₖ = 0.3 and a static friction coefficient of Œ°ₛ= 0.41.

A hot air balloon is cruising at an altitude of 160 meters above the ground. When it begins its descent, the balloon ascends at a rate of 5.5 meters per minute,

Call burning power pants and prove the quality of air true or false

one paragraph summery of the novel a wrinkle in time

In order to register your car, the state of Florida requires that all drivers have... A) One type of car insurance. B) Two types of car insurance. C) Three type