The Physics of Car Crash
1. Clarification of Terms:
a.To qualify for Top Safety Pick, a vehicle must earn good ratings in five
crashworthiness tests small overlap front, moderate overlap front, side, roof
strength and head
All About Me Lab
September 10, 2013
Weight: 150 lbs; 68.18 kg; 667.5n
Waist Circumference: 39in
Length of Foot: 9in
Width of Hand: 0.9dm (9cm)
Length of Thumb Digit: 2in
Length of Tip of Fingers to the nose: 0.
Spaghetti Bridge Project!
The Golden Spaghetti Gate Bridge!
Period 2 !
To build a spaghetti bridge spanning a 16 gap with a 2 width and the clearance to
allow a match box car to pass p
Dr. Dean Hamden
20 September 2016
Lab #1: Reaction Time
This experiment is to determine every students reaction time within the group and who has the
lowest reaction time. Also to define the accuracy of measured time fo
PHYS 191 Lab: Math Review
Instructions: Show your work; remember units; box your final answer; complete all problems.
1. [Unit conversion]: Suppose that
1 boojum = 4.5 jubjubs and
3 jubjubs = 7.75 hoodoos.
How many hoodoos are in 5 boojums?
- Macroevolution: illustrated by the sweeping changes in life on Earth as revealed
Example: Emergence of terrestrial vertebrates through a series of speciation events;
the impact of mass extinctions on biodiversity; the origin of ke
- Phylogeny: The evolutionary history of a species or group of
- Systematics: A discipline focused on classifying organisms and
determining their evolutionary relationships.
- Linnaeus instituted the two-part format of the scientific n
PHYS 193: College Physics I
Instructor: Professor Ashwin Vaidya
Email: [email protected] (Please state PHYS193 in the subject box of the email)
Phone: 973-655-2139, Office: RI-245
Do you see what I see ?
What is Ph
Vectors 3 - Components
Which diagram represents the vector
with the largest downward component?
[Assume each vector has the same
A car travels 12 kilometers due north
and then 8 kilometers due west going
Constant Acceleration Worksheet (V2)
A ball rolling down an incline travels 6.0 cm in the first 0.25 seconds, and 24 cm in the first
0.50 seconds. Find:
The average speed for the first quarter second time interval
The average speed for the
A car is observed to travel 133m in 4.5 seconds.
a) What is its speed in m/s?
b) What is its speed in km/h?
c) How long would it take this car to travel 35 km?
Given the following graph of the motion of a sailboat find: (1 m
Vectors 2 - Forces
The maximum resultant of two forces
acting on an object will occur when the
angle between the forces is
Which vector best represents the resultant
forces F1 and F2 acting concurrently on
point P as shown i
Vectors 1 - Displacement
Which is a vector quantity?
Which vector below represents the
resultant of the two displacement vectors
A vector is a quantity that has
SAMPLE PROBLEMS: 111-SET #4 PROJECTILE MOTION (2-D MOTION PROBLEMS):
1) A bullet has a speed of 350 m/sec as it leaves a rifle. If it is fired horizontally from a cliff 6.4 m above
a lake, how far does the bullet travel before striking the water?
PROJECTILE PROBLEMS 2
Chris throws a rock at 21 m/s into the air at 40. above the horizontal. How long is the rock in the air?
What is the maximum height for the rock that Chris threw?
How far away from Chris did the rock land?
Nicole throws a ball a
Date: _ Period: _
Projectile Motion Worksheet A
1. A stone is thrown horizontally from a cliff 30m high with an initial speed of 20m/s.
A) How far from the cliff does the stone strike the ground?
B) What is the velocity (speed and direction) of th
PROJECTILE PROBLEMS 1
Tom kicks a rock horizontally off of a 20.0m high cliff. How fast did he kick the rock if it hits the ground
45.0m from the base of the cliff?
Erica throws a ball out of a window with a horizontal speed of 3.80m/s. If the ball h
How much net force is needed to accelerate a 15kg mass at 2.8 m/s2?
Delons car is dead. He is pushing it to the east out of the parking lot with a force of 250N. carter,
being a good friend, comes to help and also pushes east with
The Interior of Earth
Earth - 70% ocean 30% land
Why? Surface is of varying elevation
Continental shelf part of continent that is underwater
Continental slope Steep decrease in land to ocean floor
Continental rise Part of ocean floor that rises u
All info gathered from rocks to study the history of Earth Rock record
o Lowest layer oldest
o Strata get younger
o Top youngest
o This is called the Law of Superposition
o Only gives relative dates
The Local Group
o There is another spiral galaxy nearby (M33), but it is very small (1/10th) the size of
the other two galaxies
o Local group Composed of the Milky Way Galaxy, the Andromeda Galaxy, and the
third galaxy described above (M33)
Cosmology and Einsteins Equations
About the Universe
o Cosmology Study of the entire Universe and its global properties
o Cosmologist Person that studies the Universe and it global properties
o Olbers Paradox Why is the night sky dark?
o We canno
Black Holes and Dark Matter
o Clusters are filled with diffuse gas (75% hydrogen, 25% helium) known as
Intergalactic Medium (aka Intra-Cluster Medium)
Gas that fills this stuff is millions of kelvins (very hot) but very diffuse
Andromeda Galaxy and Satellite Galaxies
o Dozens of other galaxies are orbiting the Milky Way Galaxy
o Large Magellanic Cloud and Small Magellanic Cloud Satellite galaxies of the
Milky Way Galaxy. They are the 2nd and 3rd close
Different Epics in our Universe
o The Plank Epic (Time = 0 Time = 5x10-44 seconds) PURE THEORY
Temperature = 1032 kelvins
The Universe was probably governed by a SUT (Super Unification Theory)
were not sure what theory
At the end of this epic
Grand Unification Theories (GUTs)
Grand Unification Theories (GUTs)
o At even higher temperatures, the Strong Nuclear Force and the Electroweak Force
become the GUT Force
GUT Force Strongest Force
Gravitational Force Weakest Force
o This force wi
Hubbles Theories and the Universes Temperature
o Hubble proved that the further away a galaxy is away from us, the faster its moving
away from us
o Hubble constant H0 (H Zero)
o Were not sure what the Hubble constant is but were getting cl