PHYS-100 Q-IV OUTLINE OF SOLUTIONS
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1 (12 pts). Four forces of magnitude F1 = 71N, F2 = 60N, F3 = 80N, and F4 = 50N act on a steel
plate as shown. Use the unit vector (i ,j , k) notation to express each of the forces on the plate.
Determine the magnitude
PHYS-100
QUIZ-III Outline of Solutions
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S = r2 ; Vsp = (4/3)r3 ; Vcyl = r2h ; =M/V ; Ssp = 4r2 ; S = 2r(h+r)
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Prob.1(10 pts). Consider a right cylindrical shell as shown in the diagram.
[a] Calculate the total surface area of the shell.
[b] If the mass
OUTLINE OF SOLUTIONS
SAMPLE FINAL EXAM
Time Limit: TWO HOURS
PHYS-100
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Recitation Sec.#:_
NAME :_
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SCORE
1. You must show the relevant details of your solutions to get full credit.
Partial credit will be given wherever appropriate.
1.
2. There are five
PHYS-100
QUIZ-I
MAX. TIME : 35 min.
Name_
Rec. Sec. No._
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A = r2( /360);
c = 2 r ; A = ab/2 ;
l = r ; a2+b2 = h2
Area of a trapezoid = h (b1+b2)/2
Note: Diagrams are not drawn to scale
Prob.1(10 pts).The shaded shape outlined in bold is cut out from a th
SOLUTIONS OUTLINE
PHYS-100
QUIZ-II
MAX. TIME : 35 min.
Name_
Rec. Sec. No._
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c2 = a2+b2-2abcos
sin = lt.ypot.
a/sin = b/sin = c/sin
cos = base.ypot.
tan = sin/cos
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1. Please make sure your solutions are presented in clearly organized steps.
2. Circl
Homework- 05 Solid Geometry
OUTLINE OF SOLUTIONS
NAME_
Score:_
Prob.-1. An ice cube of edge length a = 3.0cm has a spherical air bubble of radius, r trapped
inside it. The mass of the ice cube is measured to be 26.0 gm. Determine, the radius of the
trappe
SOLUTIONS OUTLINE
Homework- 06 Vectors
NAME_
Score:_
1. Three forces of magnitude F1=100.0N, F2=60.0N, and F3=50.0N act on a steel
plate in the XY-plane in various directions as shown.
[a] Express each of the three forces, F1, F2, and F3 in the usual i, j
OUTLINE OF SOLUTIONS
PHYS-100
QUIZ-I
MAX. TIME : 35 min.
Name_
Rec. Sec. No._
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A = r2( /360);
c = 2 r ; A = ab/2 ;
l = r
;
a2+b2 = h2
Area of a trapezoid = h (b1+b2)/2
Note: Diagrams are not drawn to scale
Prob.1(10 pts).The shape outlined in bold is cut
PHYS-100
HW-07
OUTLINE OF SOLUTIONS
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Name_
Score_
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PROB.1.(8 pts) Mark the following statements as True [T] or False [F] by circling your choice.
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!
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#
#
!
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!
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I. Consider two vectors A = Ax i + Ay j and B = Bx i + By j . A = B if and only if:
PHYS-100
HW-04
Outline of Solutions
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Prob.1 Consider a right cylindrical shell as shown in the diagram.
[a] Calculate the total surface area of the shell in units of m2.
[b] If the mass of the shell is 1.9 kg, determine the mass density (in kg/m3) of the
OUTLINE OF SOLUTIONS
Homework-01
Plane Geometry
NAME:_
Rec. sec. #_
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Prob.1
In the diagram below, AB = 15.0 cm, and BEDF is a square 9.0 cm on a side. Find the
area of ABC.
Solution:
AFD and ABC are similar, therefore:
AB/AF = 15.0/6.0 = CB/EB = CB/9.0 o
PHYS-100 HOMEWORK-02
SOLUTIONS OUTLINE
Prob.1 An antenna of height h = 20.0 ft on top of a building of height H is viewed from
point A on the ground and another point B on the roof of the building. The width of the
building is W. The angles subtended by t
Homework-03 Trigonometry
SOLUTIONS OUTLINE
NAME:_
Score _
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Prob.1 A small dog (neglect its physical dimensions) is seen from a 16th floor window 160.0 ft
high, and from a ledge of width d, 50.0 ft below the 16th floor window. The angles of depression
of
PHYS-100
Name_
max.)_
QUIZ-IV
Time Limit: 35 min
Sec. _
Score ( 20
Prob.1 [a] Four forces of magnitude F1 = 71.0N, F2 = 60.0N, F3 = 80.0N, and F4 = 50.0N act on a
steel plate as shown. Express each of the four forces in the unit vector ( i ,j ) notation.
PHYS-100
QUIZ III
Time Limit: 35 minutes
NAME:_ Sec. #:_ Score:_
S = r 2 : V sp =( 4 / 3 ) r 3 : V cyl = r 2 h : V cone = r 2 h / 3 : = M / V : S sp =4 r 2 : S cyl = 2 r ( h +r )
Prob. 1. Imagine that we have a sphere
of radius R = 15.0 cm that has an inn
PHYS-100
QUIZ-II
Prob.1.(10 pts) An antenna of height,
h on the top of a building of height, H
is viewed from point A on the ground
and another point B on the roof of the
building. The width of the building is
W = 20.0 ft. The angles subtended by
the ante
PHYS-100
QUIZ-I(version-1)
A = r2(/360);
c = 2r ; A = ab/2 ;
l = r
Outline of solutions
; a2+b2 = h2
Prob.1 The diagram shows two concentric circles. If the area of the annulus
(area bound by the two circles) equals 15.0 cm2, determine R.
1.0 cm
R
Solutio
PHYS-100
FINAL EXAM
Outline of Solutions
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2.0 cm (plastic)
1. Consider an insulated cylindrical copper
cable 1km long and of mass 1.7x104kg.
The copper conductor 4.0cm in diameter
is surrounded by an insulating polymer
(plastic) sheathing 2cm thick and
Homework 5 Solid Geometry
NAME_ Score:_
Prob. 1. At a construction site there are 50 holes that need to be filled with concrete as shown in the
figure. Assume that each hole is a cylinder of length 6 ft and of radius 5 ft and that each hole has a
hemisphe
HOMEWORK 6, VECTORS
DUE: November 13, 2013
NAME:_ Score:_
Prob. 1 Three forces are all acting on an object in the XY plane as shown in the figure.
The magnitudes of the forces are F 1=20.0 N , F 2=100.0 N , and F 3=60.0 N .
[a] Express each of the three f
Homework-03 Trigonometry
(Due: 10-16-13)
NAME:_
Score _
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Prob.1 Two buildings are separated by 150 feet. Exactly half way between the buildings, the
angles measured to the tops of the buildings are 45 and 50 as in the diagram below. If we want
to stretch
Physics 100 Homework #1
Name:_ Rec. Sec.:_
1) Two triangles are inscribed within a circle. A square whose sides
have a length of 9 cm is inscribed within the larger triangle as
shown in the figure.
PHYSICS 100 FINAL EXAM Time Limit: 2 HOURS
NAME:_
Rec. Sec. #_
1. You must show the relevant details of your solution to get full credit. Partial
credit will be given wherever appropriate.
2. The are six problems in the Exam. Each problem is worth 20 poin
Homework- 04 Solid Geometry
(Due: 10-23-2012)
NAME_
Score:_
Prob.1 Consider a right cylindrical shell as shown in the diagram. If the radius of the cylinder is
2 cm, the density of the material that the cylinder is made out of is 1 g / cm 3 , and its tota
Physics 100 Homework #2
Name:_ Rec. Sec.:_
1) Give the triangles in the figure below and that the length of the leg
AB is 500 ft. What is the length BC ?
Height of triangle = 500 tan(21)
tan(4
OUTLINE OF SOLUTIONS
PHYS-100
QUIZ-III
Time Limit: 35 min.
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NAME :_Sec.#: _
Score:_
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S = r2 ; Vsp = (4 /3)r3 ; Vcyl = r2h ;
=M/V ; Ssp = 4 r2 ;
S = 2 r(h+r)
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Prob.1 Consider a sphere of radius, R whose core of radius, r = 12.0 cm is filled with
lead
PHYS-100
HW-04
Outline of Solutions
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Prob. 1 Consider a right cylindrical shell as shown in the diagram.
[a] Calculate the total surface area of the shell in units of m2.
[b] If the mass of the shell is 1.9 kg, determine the mass density (in kg/m3) of th