Lecture 3
Temperature, Thermal expansion, and
Heat
(
(NJIT Physics, Chapter 10)
y
p
)
http:/web.njit.edu/~sirenko/Phys-103-2005/Phys-103-2012.htm
Physics 103 Spring 2012
2012
Andrei Sirenko, NJIT
1
La
1. Two objects of the same volume are placed in water. Object A floats and Object B sinks. The greater
buoyant force is on
A. object A
B. object B
C. Object C
2. A student measures the value of to be
1. David is using a sling to whirl a 250-gram rock in a horizontal circle at a constant speed. His plan is to
release the sling to send the rock toward his nemesis Goliath. When the rock is released,
EXAM 1
PHYS 103
VERSION A
FALL 2004
NAME: _
_
As a student at NJIT I _, will conduct myself in a professional manner
and will comply with the provisions of the NJIT Academic Honor Code. I also underst
Physics 103
:=
F
:= Y
A
P := B
:=
Spring 2011
V
Y = Young Modulus
:=
F
A
Name _
x
:= S
B
S=shear modulus
h
1N
2
1m
P :=
V
L
Student
where B = Bulk modulus 1Pa :=
1Pa
V
M
L
CQZ 1
buoyant force
F
A
Alejandro Garcia
October 23, 2017
13m 103A: Lab F Heat ofFusion
1. Objective
The objective of this lab was to nd the heat of fusion using a calorimeter. To
nd the heat of fusion (LF) of an ice cube. T
IV.
Initial temperature of water TD= 31.2 0 C
Final temperature water TF= 9.5 C
Mass of calorimeter inner cup, stirrer, water and ice Mc+Mw + MI= 349.8 g
Mass of ice added to the water M1= 52.5 g
MILE
Physics 103A
Lab J
Longitudinal Standing Waves in a Sound Table
Ryan Keller
Introduction:
In this experiment we want to find out the properties of how longitudinal standing waves react
confined within
Objectives:
1. To learn to measure current with an ammeter, voltage with a voltmeter, and resistance
with an ohmmeter.
2. To study the properties of Ohms Law and circuits of series, parallel and combi
Physics 103A
Lab F
Heat Fusion of Ice
Ryan Keller
Objectives:
1. To determine the heat of fusion of ice using a calorimeter.
2. To come to deeper understanding of the principle of conservation of ener
Physics 103A
Lab D
Linear Expansion Coefficient
Ryan Keller
OBJECTIVE/BACKGROUND:
The objective of this experiment is to measure the coefficient of linear expansion for
different metal rods. In linear
Physics 103A
Lab 107
Archimedes Principle and Density
Ryan Keller
Lab 7: Archimedes Principle and Density
OBJECTIVE/BACKGROUND/THEORY:
We will do this experiment to understand Archimedes principle and
Physics 103 Common Exam 2, Fall 2017
T(0C) =
m
V
5
9
[T(0F) - 32];
T(0F) =
9
5
T(0C) + 32;
=
T(K) =[T(0C) + 273]
;
Q kA
Q
t
T1 T2
t
L
Q A
eAT4
R=
T1 T2
t
R1 R 2 R 3
U = Q W
L
k
Q
t
W = pV
eAT4
eA(T4 T
SAMPLE EXAM 2
PHYS 103
1 What is the outside temperature if 22.0 x106 J of heat is lost through a 4.0 m2 pane of 3.5 mm thick glass (k = 0.84 W/m0C) in one
hour from a house kept at 200C?
A) 00C
B) 40
102 sample exam #3_momentum
_
1. A 0.12-kg ball is moving at 6 m/s when it is hit by a bat, causing it to reverse direction and have a speed of 14
m/s. What is the change in the momentum of the ball?
Physics 102 problems _ rotational kinematics
-Questions 1 and 2 refer to the below description:
Five identical point objects of mass m = 1.0 kg are fastened to a massless rod. The masses are separated
Equations
Physics 102
momentum:
p = mv
Impulse:
Ft = p
Exam3
Spring 2016
momentum is a vector
Conservation of momentum:
pxi = pxf
pyi = pyf
m 1vi1 + m2vi2 = m1vf1 + m2vf
(v has sign)
perfectly inelast
11.45 The intensity of an earthquake wave passing through the Earth is measured to
be 2.0106J/m2s at a distance of 54km from the source.
(a) What was its intensity when it passed a point only 1.0km fr
11.18
A mass of 240g oscillates on a horizontal frictonless surface at a frequency of 2.5 Hz and with
amplitude of 4.5cm.
(a) What is the effectve spring constant for this moton?
(
k
2 f
m
k 4 2 f 2
Problems
Giancolli 7th ed.
Ch 15_Thermodynamics
15.03
Select the correct PV diagram of the following process:
2.5L of ideal gas at atmospheric pressure is cooled at constant
pressure to a volume of 1.
16-11 Particles of charge +65, +48, and 95 C are placed in a line (Figure 1) . The center one is L =
35 cm from each of the others.
(a) Calculate the net force on the left charge due to the other two.
Lecture 8
Oscillations and Waves
http:/web.njit.edu/~sirenko/
Physics 103 Spring 2012
2012
Andrei Sirenko, NJIT
1
Simple Harmonic Motion (SHM)
1. Amplitude is
different
2. Period (or frequency)
Period
Lecture 16
Review
http:/web.njit.edu/~sirenko/
Physics 103 Spring 2012
2012
Andrei Sirenko, NJIT
1
Refraction and
Reflection
Reflection of Light
2012
Andrei Sirenko, NJIT
2
2012
Andrei Sirenko, NJIT
3
1. Hydrogen atom:
(a)
(4 pts) In the hydrogen atom, for fixed orbital quantum number l, what happens to the
number of radial anti-nodes as the principle quantum number n goes up? Explain.
(b)
(4 pts)
1. Calculate the moment of inertia of a uniform ring rotating about an axis through its center and
perpendicular to the plane of the ring. Assume the ring is of mass M and inner radius R 1 and
outer r
Sample Exam #3
Electricity
Physics 103
Spring 2011
1. An electric heater is constructed by applying a potential difference of 110 V across a wire with a
resistance of 5.0 . What is the power rating of
FINAL EXAM
=
m
;
V
PHYSICS 103
F
;
A
p=
Av -volume flow rate
T(0C) =
5
[T(0F) - 32];
9
T(0F) =
J
0
kg C
1 hr = 3600 s
k
m
c - specific heat
J
;
kg
n=
= 2f =
E = mv2 + kx2;
v=
P
P
I= =
A 4r 2
F
kg 0 C
Wave Mechanics Review Questions
1.Two harmonic waves are described by
y = 3 sin (4x 700t) m
1
y = 3 sin (4x 700t 2) m
2
What is the amplitude of the resultant wave?
a.
b.
c.
d.
e.
8.0 m
4.3 m
6.0 m
3.