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Physics Exam 3 Review - Phys103 exam 3 summaries about work, energy and simple harmonic motion
General Physics I (PH 161)
Montgomery College
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1) AX
= 2m w= F. Ax F= 350N
Wret? 1330)/c0s/80)/2)
- -1=*
2)33N Bsr W= 35 ·Cos23:
250 down SOm some Xego 13865 for displacement e 3)
803000xx
cosa = 110810 F TEG
0. 9.
= 1 ⑰
4)F? w= F.COSO
1x = 25 F =
x
=
13535:
W= 225 T
5) 7000 w= F.COS0
28005 Sx? xx =
5050
=
2000
=
6)F=3 w
= F.COS0 45m = 1x
30005 = wF=osx
= 0 =
Energy
->
W= F. Ax = 20. 2 =- 405 2(p=
00
= 100x3 = b00w 3)kE= 12mve 1/2-0.00: 755 x)PE = m.g 33.9.8 = + 4553 5) w= F. Ox
Y
exes
a
() k t= 1/2 mv> 12.33 = 1760 7712.2900"= 8)PE = m.g 10.9.8=19C 9)0.73.9.8.0 =2 10) PE = mgh O =29.
Ill W = F.COSQ write on hand = 12)k = 40M/m Ax = 0 Work = F.COSO 1x = w FcOS O w F= cos0sx spring constant:Fs=-kX k = () Ax =Fs I A - X mass= g PE at ground = 0
- both
2)v3NE
k =
####### 15 )
= 321. x = = n = 0.
k = 0. Ax= 1. F = ? Fs = - xx, 0. 1.5=1 2)Fs= - kx,0.78 = 3 3)(x = 0
####### F= 20N 1x = E= 0
= 0, k = 140 4)(x= 3/ 50N 1x = 50 0. 50x = 0.
####### k= E
= 100 = 10, Mm F= 1500 1 = 7 ()(X= 0. F=
####### 301-
= 210Vw 17 = 7) Ax= m= 0(X= 8400 = 0 300 N/m 8)m= 7. 1x= 1 k = EES = 6. k= 7
9 1 = 875 Nm 1x = 4. m= = m=
Exo4S
= 401 11) F = 25 sx = 288 I FISSON W:F. COSE. ex Ax= 2m 350.2050 =
Physics Exam 3 Review - Phys103 exam 3 summaries about work, energy and simple harmonic motion
Course: General Physics I (PH 161)
University: Montgomery College
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