Att = 1.0 s, a 0.54 kg object is falling with a speed of 8.5 m/s. At t = 2.0 s, it has a kineticenergy of 38 J.What is the kinetic energy of the object at t = 1.0 s?Express your answer in joules.VO AL?K =JSubmitRequeet AnewerPart BWhat is the speed of the object at t = 2.0 s?Express your answer in meters per second.m/sSubmitRequeet AnswerPart CHow much work was done on the object between t = 1.0 s and t = 2.0 s?Express your answer in joules.ΑΣΦ?W =

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At t = 1.0 s, a 0.54 kg object is falling with a speed of 6.5 m/s. Att = 2.0s, it has a kinetic energy of 38 J. What is the kinetic energy of the object at t= 1.0 s? Express your answer in joules. K= Submit Request Answer • Part B What is the speed of the object at t= 2.0s? Express your answer in meters per second. ? m/s Submit Request Answer • Part C How much work was done on the object between t= 1.0 s and t =2.0s? Express your answer in joules. W =

At t = 1.0 s, a 0.54 kg object is falling with a speed of 6.5 m/s. Att = 2.0s, it has a kinetic energy of 38 J. What is the kinetic energy of the object at t= 1.0 s? Express your answer in joules. K= Submit Request Answer • Part B What is the speed of the object at t= 2.0s? Express your answer in meters per second. ? m/s Submit Request Answer • Part C How much work was done on the object between t= 1.0 s and t =2.0s? Express your answer in joules. W =

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Helmholtz Free Energy

The Helmholtz free energy is a thermodynamic potential used to calculate the measure of useful work from a closed system. This system is kept at constant temperature and volume. German physicist Hermann Helmholtz introduced this concept in 1882.

Question

Att = 1.0 s, a 0.54 kg object is falling with a speed of 8.5 m/s. At t = 2.0 s, it has a kinetic
energy of 38 J.
What is the kinetic energy of the object at t = 1.0 s?
Express your answer in joules.
VO AL
?
K =
J
Submit
Requeet Anewer
Part B
What is the speed of the object at t = 2.0 s?
Express your answer in meters per second.
m/s
Submit
Requeet Answer
Part C
How much work was done on the object between t = 1.0 s and t = 2.0 s?
Express your answer in joules.
ΑΣΦ
?
W =

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