Kilogram - SI base unit
_
the standard meter is defined in terms of - the speed of light
_
the standard unit of mass is defined in terms of - a standard platinum-iridium cylinder
_
the standard unit o
sound waves in air - purely longitudinal
_
amplitude - not related to the speed of the wave
_
A periodic wave travels along a stretched string in the direction shown by the arrow. The sketch shows a
s
Chapter 12 Review
293 K is approximately equal to the typical temperature of a classroom
_
A temperature decrease of 30 C is equal to a temperature decrease of 30 K
_
Absolute zero on the Celsius temp
Chapter 11 Review
The density of mercury is 1.36 104 kg/m3. What is the mass of a 2.16 104-m3 sample of
mercury?
The density is mass divided by volume:
= m/v
m = *v = 1.36*10^4 * 4.00*10^-4 = 5.44 kg
Chapter 10 Review
A 25-coil spring with a spring constant of 275 N/m is cut into five equal springs with five
coils each. What is the spring constant of each of the 5-coil springs?
275*5 = 1375 N/m.
T
1. A ball moves with a constant speed of 4 m/s around a circle of radius 0.25 m. What is the period of the
motion?
A. 0.1 s
B. 0.4 s
C. 0.7 s
D. 1 s
E. 2 s
2. A racecar is traveling at constant speed
-29:011 Summer 2013
Exam 3
Practice Problems
-1. A 0.1 kg steel ball is dropped straight down onto a hard horizontal floor and bounces straight
up. Its speed just before and just after impact with the
Physics 1401 [Chapters 1-5]
Review - Chapter 1,2
13. Which of the following is NOT one of the fundamental units in the SI system?
A) newton
B) meter
C) kilogram
D) second
E) All of the above are funda
Key
Physics. 1 12 Spring 2007 Wednesday February 28 Group Work
(1) [Based on Ch. 16, P103] Concept
QuestiOns. Jusii our answers.
The. drawing shows a snapshot. (at
time = 0) of two waves traveling to
A rabbit runs in the x-direction. Her position at any time is
x = -0.31 t2 + 7.2 t + 28 . At the same time, her y-position is
y = 0.32 t2 9.1 t + 30.
Rabbit's y position
80
40
Rabbit's x-position
70
3
Uniform circular motion
Going around a circle at constant speed
Examples : Ball on a string
Water in a pail
Sitting in the passenger seat in a car turning to the left
Bicycle turning to the right
Moo
Relative motion
v ball wrt receiver = vball wrt ground + vground wrt receiver
v ball wrt receiver = vball wrt ground vreceiver wrt ground
When Eli Manning threw his famous pass to Odell Beckham, Jr, t
If I am facing 30o east of north, what is the vector of length 1 pointing in
the direction I am facing?
(f for facing)
3
f = sin 30 + cos 30 = + 2
o
30o
o
What is length of f?
f2 = + = 1
f is a unit
PHYS 2110 Recitation Exercises Week 3
Sept. 15-16, 2016
1. A small ball rolls horizontally off the edge of a tabletop of height h above the
floor. It strikes the floor at a distance d horizontally awa
Rub electrons from your hair with a comb becomes negatively charged
Fermats principle of least time applies to refraction and reflection (both of these)
A 10-ohm resistor has a 5-A current in it. Wha
Chapter 22- Electrostatics
Electric chargers and forces
Charges in the atom
Conversation of charge
Coulombs law
Conductors and insulators
Electric field
Electric potential
Chapter 23- Electric
CBT APPROVED HANDOUT
*DO NOT DETACH ANY PAGES*
Instructors: ALL
Scratch Paper: CBT provided - 2
Course/Section: Phys2002/All
Test name: All exams
Handout sheets: 2
Calculator Type Allowed: Graphing
PH
Part a of the drawing shows a bucket of water suspended from the pulley of a well; the tension in the
rope is 99.0 N. Part b shows the same bucket of water being pulled up from the well at a constant
Cameron Falgoust
Office: 10:30 noon Mon/Fri
Physics 2001
[email protected]
Sessions: 6 7:30pm Sun/Thurs
Exam 1 Review
1) While training for the Olympics, a 100-meter sprinter is running in a straight li
2/24/17
Work and Energy
Ch. 6
Conservative F, Non-Conserv. F,
& Work-Energy
The work done on a mass by gravity is W = mg (ho h f )
And, as we showed, it doesnt depend on the path taken
only on the i
2/21/17
Work and Energy
Ch. 6
Work Done by a Constant F
Energy. What is it? You all probably have an idea of what energy is
It comes in many forms: mechanical, chemical, heat, light, nuclear, etc.
En
3/5/17
Impulse and Momentum
Ch. 7
Impulse
Up to now, we have been dealing only with constant forces.
But, in many instances the force on an object is not constant in time.
Take collisions, for exampl
3/9/17
Impulse and Momentum
Ch. 7
Example: Where is the CM of the Earth-Moon system? Assume
the Earth is located at the origin.
me = 5.98 1024 kg
mm = 7.35 1022 kg
x = 3.85 108 m
x=0
n
m x
i i
xCM =
3/7/17
Impulse and Momentum
Ch. 7
Conservation of Momentum in 2D
Linear momentum must be conserved before and
after the collision in both the x- and y-directions!
!
vf 2
m2
!
vo1
!
!
Po = Pf
Pox = Pf
Chapter 6: Sexualities
Sexual Identity
Formation in a persons mind of an identity as heterosexual, homosexual, or bisexual
based on romantic and sexual attraction
Emergence of Heterosexuality and Homo
Exam Review
SI Worksheet 11
SI Leader: Rebecca Runnels ([email protected])
1. Implement this function using multiplexers as indicated:
a. One8to1MUXthatusesw1w2w3ascontrolvariables.
b. One4to1MUXwithw1w
EXAM 2
Physics 2110 SPRING 2017
March 13, 2017
FORM A
Name (print): _ Section: _ ID #: _
TTH
MWF
Section 9
Stacy
9:00 am
Section 1
McElgin
8:30 am
Section 10
Rupnik
10:30 am
Section 2
Rupnik
9:30 am
S