F 011 1of 5, 50of on A of of to a in of of of of an to as of s 1 or of in 2 to of 4 or to 3, 5, 6 an on of in a to a to of of of by a of be of of a on an or a 7, 8. An a of by of of of on a in a 50 911. by in in s to of in a 5016 000 Hz s of in by a of is to to to be by or in to to as to 12of in to of it to of of a a of of of a on of a is on by a of a a )1. 1 2 4 5 of is in it is an it on 2 )it in On of 39is by A of in 4 is 413w = w0 f t)2. of 1 3 4 a of in be by 2,)M. on in on be to 1):is in is by c,of is on on of m2of N/mof in N/mmf Hzg s m/s2h mH in Ns/ml mof mof kgof kgPaPaPaPamt sw mm3/smof mof mof mof of of of kg/m3sof 411) (). A in of a “ as a of is 11,522,533,544,510 15 20 25 30 35 40 45 50 55 60f Hza2/3. f = 1060 of a in at a of 0 is to to .5 kg of 6 000 N/m. a in is in 030 be ) of be of a to of is by 13:,2)2(222222111 (2)M. of of of to y,in ,of in 4. to of a in of 22)(222222222221)of 1) be as:2222222222222222112112122)of 1) 4) in f = 1060 of to of of be of an be in be It on be to of 43an in a 50,10,150,20,250,310 15 20 25 30 35 40 45 50 55 60f Hza2/5. f = 1060 50,10,150,20,250,30,3510 15 20 25 30 35 40 45 50 55 60f Hza2/6. f = 1060 of of a 20 000 N/m 50 Ns/m . In of 1) be a a a 250 Ns/m)20 000 N/m) 222is to as 11,522,510 15 20 25 30 35 40 45 50 55 60f Hza2/7. f = 1060 a be in of of on in on to 3. of by a to of 45 4 in on to ). to of up 00 of of of is of is is by On by is in 4. in in of an 6 000 N/m a . in . of on w0m30 an i.e.a of a 560 a of 86 000 N/m a a kg is a2/1) in As a of 5. of to of in of be at in a be 0,40,60,811,225 30 35 40 45 50 55 60f Hza2/8. f = 2560 is a to of of in of in a in at it be to at of 560 in 25 It of 8) of 47be in to of to of a a by a of 0% by 0% or to to A in in in in a of of in to in to a a ., .: of i 1, 1984, 36.2 .: of of a a i 3, 1990, 2730.3 ., .: A to of in a 10, 1995, 136141.4 ., ., of a 16, 5, 2002, 649665.5 .: of of on of i 11,2