The force Fx acting on a particle is shown as a function of x in the figure belo

Question

The force Fx acting on a particle is shown as a function of x in the figure below, where each grid spacing on the x-axis is 2.0 m. (a) From the graph, calculate the work done by the force when the particle moves from x = 0.00 to the following values of x: x = -8 m work = x = -6 m work = x = -4 m work = x = -2 m work = x = +2 m work = x = +4 m work = x = +6 m work = x = +8 m work = (b) If the object starts at the origin moving to the right with a kinetic energy of 42.5 J, how much kinetic energy does it have at x = 4.0 m?

Explanation / Answer

exertion or effort directed to produce or accomplish something; labor; toil. 2. something on which exertion or labor is expended; a task or undertaking: The students finished their work in class. 3. productive or operative activity. 4. employment, as in some form of industry, especially as a means of earning one's livelihood: to look for work. 5. one's place of employment: Don't phone him at work. EXPAND

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