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Unformatted text preview: HS _' Hanna IIW ﬂ? —__K_BE—_" 'TEH'IEZEE'ﬁﬁ—m 13.13? The polar cnnrdinnlns nfthc collar A an: given as functions of time in seconds by r = l + {.1212 Pt and 5'
— 2r nu]. What an: the magnitudes ni‘lhc velocity and mcclcmtinn of the collar a1: = 2 5? ;; :0: we? qr Topé ram) {19
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6dr 1—: 29"; _ _______ .__ 13.145 The collal'A slides on tho circular bar. The radial position ofA {in meters) is given as a function off] h};
r = 2 cos H. At the instant shown, U = 25“ am] I! Writ = 4 rams. Dolomlino tho Halon:in ofa in terms. of polar
coordinates. 13.1415: In Problem 13.145, “afraid? = CI :11 the instanl shown. Dolor—mint: tho acceleration of] in terms ot‘polar
coordinates. " 1 _‘ A.
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6331:: ; (ﬁll[1:0 "' (1r 1' {‘Z(ﬂgr;£l)(qa) {:6 A ﬁ(@="7itg‘g*“‘ “P “ 17M? (26%:1 13.155 ln Example 13.15ﬁ determine the velocity of the cam follower when H = 135“ (a) in telms of polar
coordinates and no in tenns of cartesinn coordinates. 13.1513 to Example 13.15. determine the acceleration of" the cam follower when t? = 135° to] in terms ofpolar
coordinates and {b} in terms of eartesian coordinates. {c} ﬁnd the angle ti! between the radial and tangential
directions when 3= [35". (d) Neglecting all friction and using the polar coordinate expressions For the acceleration ofthe Ihllowcr, lian
the force between the earn and the Follower and between the arm and the follower. Let the spring force = 59 N when t3: 135° and the follower have a mess of 5 kg. The motion is in a vertical plane. I Hiltontr @Jl'fﬁ‘fﬁLn’LAILJ ti: Car Suitx J we W H%A%h%5hlh
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This homework help was uploaded on 04/07/2008 for the course ME 201 taught by Professor Biggers during the Spring '08 term at Clemson.
 Spring '08
 Biggers
 Statics

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