Q4. The 9-kg ball is connected to a spring with spring constant k = 100 N/m and unstretched length of 0.8 m. Initially the spring is compressed and has length 0.5 m. Then under the constant applied force F = 340 N (in the direction shown in the image) acting on the ball, the spring is stretched to a new length 1.4 m. Determine the work done by the spring to the ball during this process. Please pay attention: the numbers may change since they are randomized. Negative sign must be included if the work done is negative. Your answer must include 1 place after the decimal point, and proper SI unit. F |15° 40°

Q4. The 9-kg ball is connected to a spring with spring constant k = 100 N/m and unstretched length of 0.8 m. Initially the spring is compressed and has length 0.5 m. Then under the constant applied force F = 340 N (in the direction shown in the image) acting on the ball, the spring is stretched to a new length 1.4 m. Determine the work done by the spring to the ball during this process. Please pay attention: the numbers may change since they are randomized. Negative sign must be included if the work done is negative. Your answer must include 1 place after the decimal point, and proper SI unit. F |15° 40°

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

Q4. The 9-kg ball is connected to a spring with spring constant k = 100 N/m and
unstretched length of 0.8 m. Initially the spring is compressed and has length 0.5 m.
Then under the constant applied force F = 340 N (in the direction shown in the
image) acting on the ball, the spring is stretched to a new length 1.4 m. Determine
the work done by the spring to the ball during this process. Please pay attention: the
numbers may change since they are randomized. Negative sign must be included if
the work done is negative. Your answer must include 1 place after the decimal point,
and proper SI unit.
F
|15°
40°

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