Falling Body Lab
Abstract: Through this experiment, the speed at which an object is falling was
demonstrated. The gravity at which the object was dropped was measured as 6.537 m/ s2.
Even though the true value for gravity is approximately 9.81, there was

Physical Science 303 - Lab?
Forces 3 - Elevators!
Elevator Rides
e an elevator: what were the directions of velocity and acceler
ectors, so direction matters!
and acceleration are v
ocity over the change in time. Circle the correct
Think about the last ti

Quiz #3
Answer the following questions:
cfw_Ill ]. When you increase the mass of a pendulum1 how is its period affect .d'?
1 ml, V [ f [K0]; APECf ?
L 2. \ hen you increase the ang e 0 a pendulum from 10 to 20 how i its period affected.
ll If M31" 510$ 90

Quiz #1 [11971
Answer the following questions:
- F
1. You are driving at night at '60"c - to the West on a long straight road. You see the headlights
the other car look like it is n1OVi11g to W
(L .
of a car that is travelin/g 4971 km- South .P'Hew fast d

Physical Science 303 Fall 2013
Unique # 58185 T Th 7pm-9pm RLM 8.322
Instructor M. Sohaib Alam, [email protected]
Oce Hours RLM 9.318, Fri 2-3pm
I will be available during oce hours. Feel free to email me with
questions.
Supervisor Dr. Gleeson, [email protected]

P S Final Exam Study Guide
In Class Assignment 1
y=x
y = x2
linear
parabola
y = x3
y=
tan
arc
In Class Assignment 2
T
a) L increased by a factor of 9
c) g increased by a factor of 4
b) L decreased by a factor of 4
d) g decreased by a factor of 6
e)
f) [X]

PS 303
In Class Assignment Handout 6
.
Problem 1: Newtons rst law of motion states that an object will continue
in its state of rest or motion in a constant direction (or in other words,
travel at a constant velocity) unless acted upon by an external agen

PS 303
In Class 16
.
Problem 1: Work done is dened as F d, in the presence of which
conservation of energy gets modied to
1
1
m|vf |2 + mghf
F d + m|vi |2 + mghi =
2
2
(a) Work out the units of Work done.
(b) A car of mass 65 kg is traveling at 100 km/hr.

PS 303
In Class 15
.
1
Problem 1: (a) Calculate the units of Kinetic Energy ( = 2 m|v |2 ).
(b) Calculate the units of Gravitational Potential Energy (= mgh).
(c) What is the kinetic energy of a jogger with mass 65.0 kg traveling
at a speed of 2.5 m/s.
(d

PS 303
In Class Assignment Handout 13
.
Problem 1: Given the denition of torque: = |r| |F | sin , and how it
relates to angular acceleration = I , work out the units for I , the
moment of inertia. In the preceding expressions, r is the vector that
perpend

PS 303
In Class Assignment Handout 11
.
Problem 1: Consider a projectile with initial speed |v | thrown at an angle
of w.r.t. (with respect to) the horizontal ground.
(a) Write down the initial vector vi in x- and y- component form.
(b) Write down the acc

Physical Science 303 Exam #1 Practice Problems
Problem 1: A pool hall leaves a 0.60 meter high table with an initial horizontal velocity of 2.4 m/s.
Determine the time required for the pool ball to fall to the ground and the horizontal distance
between th

Physical Science 303 Exam #1 Practice Problems
Problem 1: A pool ball leaves a 0.60 meter high table with an initial horizontal velocity of 2.4 m/s.
Determine the time required for the pool ball to fall to the ground and the horizontal distance
between th

Physical Science 303 - Math Review 2:
Geometry, Algebra, Order of Magnitude Estimates
Problem 1: Sines, Cosines, and Tangents
SOHCAH-TOA" is a phrase to help you to remember what the sine, cosine. and tangent of an
angle are equal to. "S. C, and T" refer

Physical Science 303 - Labs
Forces 2
For this lab, each group will need a P3303 Box 7, a track and a mass box.
A force, in the simplest sense, is a push or a pull (it is something that can be felt). Its source
may be gravitational, electrical, magnetic, o

Physical Science 303 - Activity 11
Forces 1
In this lab, well start exploring the concept of force. For this lab, each group will need the equipment
box: P3303 Box 1.
Set the smaller wooden block from your box on the table with its hard surface in contact

4 Elastic and Inelastic Collisions
There are types of collisions, elastic and inelastic. An elastic collision is dened as a collision in which
there was no loss of kinetic energy. A11 inelastic collision is defined as a collision in which some of the
kine

Physical Science 303 - LabB
Forces 5
For this lab, each group will need: P3303 Box 1 and a human dynamics carts. Below is brief summary
of what we know (if some of these don't make sense to you call me and we can talk about them] about forces
so far:
0 A

Homework #2 solutions - Fall 16
Problem 1 - 65 points
Each is worth 5 points
1. S = 18 ft/0.75 min = 548.64 cm/45 s = 12.19 cm/s
2. Last two, since t is constant then d or x determines the speed.
3.
a) For a) vmax 1.4 ft/s, b) vmax 2.2 ft/s, c) vmax 1.9 f

Physical Science 303 Exam #3 Practice Problems
a constant force of 40 Newton. If the work done by the force on
Problem la: A block is pulled by
the block is 630 joule what is the disphuzement of the biock'.
i - .
cz/ i _ .
fax" a 1/5- .96
r, L
6/11;- Vr /

Quiz #2
Answer the following questions:
1. What is the unit of measure for force (in 81/ metric)? cfw_L18 LL/ZLC-VL/
2. In a tug of war, one team is pulling with a. force of 220N and the other with 180N, what is
the net force? L56" [b/
3. What will be dif

Homework #3 solutions - Fall 16
Each problem is worth 8 points. 4 point for turning in.
1. The change in displacement from A to C is 4.0 m, whereas the change in distance from A to
C is 6.0. Thus, ~vave = +4.0/3.0 = +1.33 m/s; and save = 6.0/3.0 = 2.0 m/s

PS 303
In Class Assignment Handout 9
.
Problem 1: Today we derive the kinematic equations, the basic equations
that govern the motion of (point) objects.
vf vi
, and rear(a) Start with the denition of acceleration, a =
t
range this equation so you have an

PS 303
In Class Assignment Handout 13
.
Problem 1: We have already discussed two units of specifying angles: degrees and revolutions. A third way to specify angles is the unit radian,
dened as the ratio of the arc length to the radius of the circle.
(a) W

PS 303
Homework
.
Problem 1: A cannonball is red horizontally at a speed of 10 m/s on top
of a cli 180 m high.
(a) Calculate the time it takes for the cannonball to hit the ground.
(b) Calculate the total horizontal distance it has covered during this
tim

3. An object A is moving on a straight line with constant velocity v = 10 m/s. When it
crosses the origin, time is t = 10 s. At that same time, there's an object B at r = 100 m
moving in the opposite direction with constant velocity v = -20 m/ s. When and

4. A plane must have a speed of 400 km/ h right when it takes off. If the plane
starts from rest and the runway is 2000 m long, what is the (minimal) acceleration that
the plane needs to take off successfully?