The graph below shows the external force applied to a 15-kg object throughout a displacement of...

 

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The graph below shows the external force applied to a 15-kg object throughout a displacement of 8.0 m. Net Force vs. Displacement Net Force (N) 14 12 10 8 6 4 2 0 0 1 2 3 4 5 6 7 8 Displacement (m) 282. How much work was done on the object throughout the 8.0-m displacement? 283. If the object was initially moving with a velocity of +4.0 m/s (before the force was applied), calculate the object's kinetic energy after the work was done on it. 284. Calculate the speed of the object after the work was done on it. 285. Next, the object hits a compressional spring with a spring constant of 650 N/m. Calculate the maximum compression of the spring. The graph below shows the external force applied to a 15-kg object throughout a displacement of 8.0 m. Net Force vs. Displacement Net Force (N) 14 12 10 8 6 4 2 0 0 1 2 3 4 5 6 7 8 Displacement (m) 282. How much work was done on the object throughout the 8.0-m displacement? 283. If the object was initially moving with a velocity of +4.0 m/s (before the force was applied), calculate the object's kinetic energy after the work was done on it. 284. Calculate the speed of the object after the work was done on it. 285. Next, the object hits a compressional spring with a spring constant of 650 N/m. Calculate the maximum compression of the spring.