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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Transcribed Image Text: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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