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Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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
Transcribed Image Text:15-61. The 15-kg block A has a velocity v = 10 m/s
when it is s = 4 m from the 10-kg block B. If the
unstretched spring has a stiffness k = 1000 Nm,
determine the maximum compression of the spring
due to the collision. Take e = 0.6, and for block A,
Mk = 0.3. Assume block B is smooth.
WWW
-k = 1000 N/m
B
10 m/s
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- (25 pts) The 50-lb block rests on the smooth surface. A force F = (40+s²) lb, which s is in ft, acts on the block in the direction shown. If the spring is originally unstretched (s = 0) and the block is at rest, determine the power developed by the force the instant the block has moved s = 1.5 ft. F. 30° k = 20 lb/ft wwwwwwarrow_forward15-51. The 30-Mg freight car A and 15-Mg freight car B are moving towards each other with the velocities shown. Determine the maximum compression of the spring mounted on car A. Neglect rolling resistancearrow_forwardThe initially stationary 24-kg block is subjected to the time-varying force whose magnitude P is shown in the plot. Note that the force is zero for all times greater than 5 s. Determine the time to at which the block comes to rest. P, N P 173 *Z 24 kg 26° H₂ = 0.43 Hs = 0.51 0 0 5 t, s i 4.181 S Answe: ts =arrow_forward
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