Problema 2.75 Bedford 4ta Edicion

April 26, 2024 | Author: Anonymous | Category: N/A
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Clavadista ax = 0 a y=−g ds x =v 0 cosθ dt dv x =0 dt 5x dv y =−g dt t ∫ ds x=(v 0 cosθ )∫ dt 0 vx 0 t ∫ ¿ 0∫ dt v x0

0 5 x =v 0 cosθt vy ∫ dv y=−g∫ dt t v0 y o v x=v v y= v x0 0 y−¿ ds y =−¿ dt y=¿ v 0 senθ−¿ v¿ sy t ∫ ds y =−g ∫ tdt s0 y 0 v y =−¿ s y= −g 2 t + s0 y 2 v0 = 16.1 t 2 5x cosθt +87.5 v0 = t2 = 2=27 2.3 −85.5 −16.1 v 0 =11.7 t= v x =v 0 cos 0 t=2.37 √ 5.31 v x =v 0 v x =11.7 27 ft El impacto ocurre en impacto=74.97 s y =2 Velocidad de

ft s Tiempo de impacto=2.3 v y =−32.2 t 3600 s 1h V= √v 2x V=74.97 ft s 74.97 =51.12 v y =−74.06 1mi=5280ft 1mi 5280 ft mi h ft s 2 + vy ft s olas √ gh=√ 32.2=19.65 ds x =19.65 dt 5x t ∫ 5 x=19.65∫ dt 0 5 x =19.65t Tiempo de impacto=2.3 5 x =45.19 ft La cresta se debe encontrar a 45.19ft 0 ft s

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