wavelength = length of one complete cycle
period T = time for one cycle to pass by
frequency f = # of cycles passing by per second (also freq of osc particles)
amplitude A = height of crest / depth of trough
velocity v = speed at which wav
The Inclined Plane
When raising the height of an object it usually requires less force to push it up an
incline than to lift it straight up.
Common uses of inclines are: ramps, stairs, wedges, screws
Suppose a weight W is pushed up
A spring stretches 5 cm under a 150 g vertical load. Determine the spring
A spring of force constant 7500 N/m (vertical straight wire) is stretched 2.5
cm. Determine the load.
A spring stretches 8 cm under a 2.
Need the following from Repeated Uniform Rotary/Circular Motion:
- Consider an object moving in a circle ( e.g. particle on a string, dot on a rotating
- moves/travels (in linear quantities)
- an arc of length s
- in a time t
- with a tangentia
Friction - Dragging a Box the Easy Way
A rope is attached to a box in order to drag it across a rough floor. What is
the best angle for pulling on the rope in order to move the box with the least
amount of force?
Consider moving the box
If you can do all these, you have mastered the material.
1. A mass of 3kg is free to move on a horizontal frictionless surface
and attached to a spring of k=15 N/m. It is displaced from equilibrium
by 0.1m to the right and released from rest.
a. What is t
You must show your work to receive credit!
A 2700-kg spacecraft is in a circular orbit 1900 km above the surface of Mars. How much work must the
spacecraft engines perform to move the spacecraft to a circular orbit that is 3000 km above
Chapter 1: Example Problems
1.4 You have access to a large telescope in the
last week of September. You have targets in the
constellations of Virgo and Pisces. Which do you
observe and why?
Chapter 1: Example Problems
1.4 You have acce
Chapter 36: Diffraction
1. Monochromatic light from a distant source is incident on a slit 0.750 mm wide. On a
screen 2.00 m away, the distance from the central maximum of the diffraction
pattern to the first minimum is measured to be 1.35 mm. What is the
Chapter 1: Charting the Heavens
The Foundations of Astronomy
1.1 Our Place in Space
1.2 Scientific Theory and the Scientific Method
1.3 The Obvious View
1.4 Earths Orbital Motion
1.5 Astronomical Timekeeping
1.6 The Motion of the Moon
1.7 The Meas
An objectis launched 40.0m/sat 30.0"to the horizontalfromthe top of
an 8.0 rn high building. Howfarfrom thebaseof the buildingdoesit landT
A_= _4.B rnlsy
d, c -B.o
- 4,2 v*ls"
I-D Dynamics Review:
A horizontalforce of 185N accelerates 55 kg crate acrossa roughfloor at
2.8 m/s". Whatis theforce offriction?
^J - 6
E rBgAJ- (qF$(t.Br"r/r')
* 3t il
( ,sI -,r v )
- L)"/tu7 lAt
Z T IF
,/^,- AA - A!ts*
:z vqd'At y^'
( ,)t + A
SECIIONA: MULTIPLECEOIfi QTTESTIONS MIIXS
A rope is ptacrd under tensionand artached rigid objectsat both eDds.If th. ropc is
subjectedto periodic vibrations,standingwavesmay resDlt.If you wish to iicrease thc
wavelngth ft standing
INIV'EXSITY OF I'ICTOTIA
FL\AI, EXAMINATTON APRIL 2OOO
PEYSICS 125. FUNDAMENT.\LS OF PEYSICS
INSIRUCTOR: C. R. Mason(S0r)
TO BE AIiSWERED ON TIIE PAPER,
STUDENTSMUST COIJNI THE NTA4BEROF PAOESIN
Association of Detergent Zeolite Producers
The challenges for detergent zeolites
Zeolites - special materials with diverse applications
Zeolites as builders for detergents