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Soluciones - Ondas

OND 1: 0.63 m/s.

OND 3: y=4sen2(t/0.1 - x/20); 80 m/s; 16002 m/s2.

OND 5rdn.

OND 7: 1.47 Hz; 4.116 m/s; 2.8 m.

OND 9: 5 m/s; 0.1 m; 50 Hz; 0.02 s; v=0.314cos (314t-1.884); a=-98.6sen(314t-1.884).

OND 15: 0.4 m; 15.9 Hz; 0.063 s; 4 m; 200 m/s; 0.374 m, 14.296 m/s, -3735 m/s2.

OND 17: 6.7 10-8 s; 3 10-7 m.

OND 21: 5m; 5 Hz; 0.2 s; 2.5 m/s; 0.5 m; y = 5 sen (10t+4x): y=10cos4xsen10t; 50cos10t; 0 (nodo)

OND 25 : 0.03sen2(x-0.5)

OND 31 : 3º ; 4 nodos y 3 vientres ; 146.85 Hz

OND 33 : 2.83 cm; 6 cm

OND 37 : 5 m; 0.48 m

 

OND 4: 0.5 m; 20 s; 2 m; 0.1 m/s; 0.5 Hz; /10 rdn/s; 0.05 m/s.

OND 6: y=0.

OND 8: î<=30º

OND 10: 5 Hz; 2 cm; -10 cm/s; t=[0.0817+n0.1] s.

OND 16: y=20cos200xsen1000t; 0; /200 m.

OND 18: y=0; 1.65, 1.95, 2.25, 2.55, 2.85 m. 

OND 20: y=8sen2(0.3t-0.1x); y=8sen2(0.3t+0.1x); y=16cos(0.2x)sen(0.6t); 2.5, 7.5, 12.5,...; 0, 5, 10,...

OND 24 : π m ; 10π s ; 1/10π Hz ; 4πrad

OND 26 : 0.03sen2(10-0.1t)

OND 32 : 0.5 m; 3 Hz; 0.33 s; 12 m/s; π rdn ; 0 m; 3π m/s

OND 34 : 6cos(2πx/4)sen(2π50t); 3sen2π(50t-x/4); 3sen2π(50t+x/4); 1, 3, 5...0, 2, 4... m

OND 36 : 1.6 m; 93.75 Hz; 93.75 Hz; 3.627 m; 150 m/s; 0.8 m; 187.5 Hz

OND 38 : 57º