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exam2-03

# exam2-03 - FBgeZ E a ear waving at 10 mjs eneeuntere a bump...

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Unformatted text preview: FBgeZ E. a ear waving at 10 mjs eneeuntere a bump that has a circulet arena-:uuLien with a :adiue DE 3U m. What 13 the normal feree exerted by the EeaL ef the ear en a Eﬂ—kg passenger when the ear is at the tap . 2m: :4 _ “u v. 1 339 n F ”“1”” r 2" me} _ “(W)- 3354'” H' t — EDL —*H - 12. 1'39 1! N-Mﬂt'ﬂ _' 3D .-"" e. 313'} 1»: .— -~ T. Weft dune by a feree an en nhTeel can he a peelttve er u negetlve ”entity. aTTILIE L2. F'a'lee a. ire-u much were he Hem in lifting a EL" kg nhjaci Lhrengh a diet-ante 0f am In? Bee 1; - in rural. ewe-c115 .n, 3E.“- kg "le mm +_ HLFHI. a Winn“ [ﬁr-I'M 1 '.eu‘ “E; . '- 1 ﬂirt-1:32,; em a we = minimum) 9:: it; 5- EU kg “'2‘252 9. he compared tn Jack, Jill ﬂees twice the work in half the time. Jill's Fewer output 13 E a. The same as Jack's. power autput. PM :. E1“ = at h. ﬁne-halﬂ us mueh as Jack's newer eulput d 1:34; A tlﬂh '1: “mice Jack's power output (f:33¢Ut times Juek‘s Fewer eutput 5 LI TPﬁgh. seen-uric 8—2: ﬁn object ef meee 4 kg is sitting aL the tap DI an inclined plane ef height h and angle u with Lhe herieental. The ebiect slidEH dawn the inclined plane and right herere it reaches the batten or the plane iL has epeed e1 1E: mm. Manuel. Inlet-inf: and unit: *3 - 1n W's-2 LU. Refer to Seenerin SHE: What is the height nf the inclined plane? _ 123 m . E e? c} 12.8 m ﬁgﬁé}£iﬂte%ﬁﬂfﬁ L=|1ﬂm c. 25.5 m L' F? e. 1a m #511" = i6”? '1.- lrp ' iii-[b3 ‘1 ﬁn nhieet appreaehee the bettem at a ramp. ht point A its speed is 4U min. The abject gees up the. ramp and reverses direction at pniht 3. what is the height 0f point B abnve point B? The angle of inc1inatien is 3-3" . Neglect frieLiu-n and use I; = H: mfez. a. EU b. 6-3 '1ﬁ: k’yfi‘tﬂ-tlp' 1: WEE-I‘ZFF'EFM: an“ I ﬁiuﬂli : 4:} _+ £31k : Ir'ﬂ‘L‘h ...
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