Posted by **fdtc** on Tuesday, October 20, 2009 at 8:08pm.

A object of mass 3.00 kg is subject to a force Fx that varies with position as in the figure below.

Find the work done by the force on the object as it moves as follows:

(a) from x = 0 to x = 4.00 m

1

Your response differs from the correct answer by 10% to 100%. J

(b) from x = 5.00 m to x = 7.00 m

2 J

(c) from x = 14.0 m to x = 15.0 m.

3 J

(d) If the object has a speed of 0.500 m/s at x = 0, find its speed at x = 5.00 m and its speed at x = 15.0 m. speed at x = 5.00 m 4 m/s

speed at x = 15.0 m 5 m/s

- physics -
**na**, Wednesday, October 9, 2013 at 10:20pm
a. 5

b. ?

c. 3

d. ?/?

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