Keaton Vandemark
PHY 1110L03
TA: Nick Padgett
Pre lab 4
September 24, 2014
1). A straight line has the analytic form y = mx + b, where m is the slope and b the yintercept. Plot the following data points on graph paper, draw in the best straight line,
and
Recitation 4
57 u A 60.0kg block slides along the top of a 100kg block. The 60.0kg block has an acceleration
of 3.0 m/s2 when a horizontal force of 320 N is applied, as in Figure 567. There is no friction between
the 100kg block and a horizontal fric
Recitation 6
31 H The potential energy of a 4.0—kg object constrained to the x axis is given by U = 3X2 ——x3 for x
s 3.0 m and U = 0 forx 2 3.0 m, where U is in joules and x is in meters, and the only force acting on this
object is the force associated wi
Recitation 5
Problem  A 2.0kg particle is given a displacement of A? = (3.0 m)lC +(3.0 + (— 2.0
During the displacement, a constant force F = (2.0 —(l .0 N)}'+ (l .0 N)I2 acts on the particle. (0)
Find the work done by i' for this displacement. (b) ang
Recitation 2
239 On June 14, 2005, Asafa Powell of Jamaica set a world's record for the 100m dash with a
time t = 9.77 s. Assuming he reached his maximum speed in 3.00 s, and then maintained that
speed until the ﬁnish, estimate his acceleration during t
2 1\
Recitation I
\38 The 51 unit of force , the kilogrammeter per second squared (kg mI 52) is called the
newto n (N). Find the dimensions and the 51 units orlhe constant G in Newto n's law of
gravitutio n F = Gm,ml / I,
F~

G
\~
en
~;~
ll~w.e,v.<;,
Recitation 8
64 0 The particles in Figure 952 are connected by a very light rod. They rotate about the
y axis at 2.0 rad/s. (0) Find the speed of each particle, and use it to calculate the kinetic energy
of this system directly from Z§mivi2 . (b) Find th
Recitation 7
Problem H Bored, a boy shoots his pellet gun at a piece of cheese that sits, keeping cool for
dinner guests, on a massive block of ice. On one particular shot, his 1 g pellet gets stuck in the
cheese, causing it to slide 25 cm before coming t
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an
ll
Recitation 9
29  Find A X if for the following choices:(a)/1 = 4; andl}= 6; + 61:, (b) {group} A = 42' and
=6E+6I2,and(c)[group)A=22+3j and I}: 3t:+2]:.
_, — . ,1. . j 15 A.
Mt»: Law {rowng— aHTZLiT*§:.1uﬁ
‘ TD 1;
Hidt'iwl: : amt; r3343
Z'i
I\
Recitation 3
385 00 The range of a cannonball fired horizontally from a cliff is equal to the height of the cliff.
What is the direction of the velocity vector of the projectile as it strikes the ground? (Ignore any effects
due to air resistance.)
384
Keaton Vandemark
Prelab 2 questions
September 11, 2014
1. What is the volume of the cone?
V=(1/3) (10.01)2 (15.29)= 1604.368987 cm3
.2+.2=.4
= 1604 .4 cm3
2. what is the fractional uncertainty in the volume?
2(.2) 2
.2 2 = .0420464366 =.0420
(
) +(
)
10.
Keaton Vandemark
PHY 1110L03
TA: Nick Padgett
Pre lab 4
September 24, 2014
1). A straight line has the analytic form y = mx + b, where m is the slope and b the yintercept. Plot the following data points on graph paper, draw in the best straight line,
and
Keaton Vandemark
PHY 1110
Post lab #4
October 2, 2014
Results: g= 1038 cm/sec2 127 cm/sec2
Value for g on the 2nd floor of Fawcett = 980.0744 .0002 cm/sec2
1. Discuss whether or not the value you obtained for g is acceptable?
The value that I obtained was
Keaton Vandemark
PHY 1110L Section #3
TA: Nick Padgett
Post lab 3
September 25, 2014
1. In this experiment you were not asked to do any mathematical determination
of uncertainty in your measurements. However, there is always uncertainty
when taking data.
Keaton Vandemark
Post Lab #2
September 16, 2014
1. A.) The final densities that were obtained by my group were 2.82 .02 for
the cylinder and 3.43 1.62 g/cm3 for the aluminum sheet.
B.) When looking at the handbook the densities should be 2.70 0.05 g/cm3.
Keaton Vandemark
Pre lab #3
PHY 1110L03
September 16, 2014
1). What does the position vs. time graph of an object subjected to a constant force
look like? Draw a representation of one. Be sure to use graph paper.
What this should look like is a graph wit
Keaton Vandemark
PHY 1110L Section#3
Post lab 1
September 12, 2014
1. The measurement that plays the biggest role in determining the uncertainty
for volume would be the largest fractional uncertainty of the dimensions that
are needed to calculate volume.
Ch
4
Dynamics
CHAPTER 4
The connection between forces and motion is a
field called
1. Dynamics 94.74%
Ch0%
4  Dynamics
2. Force
2.63%
3.
Inertiaat rest will
An object
remain at rest, or an object
2.63%
4.
kinematics
moving
in a straight
line will continu
Keaton Vandemark
Post Lab #2
September 16, 2014
1. A.) The final densities that were obtained by my group were 2.82 .02 for
the cylinder and 3.43 1.62 g/cm3 for the aluminum sheet.
B.) When looking at the handbook the densities should be 2.70 0.05 g/cm3.
Recitation 10
68
the bullet stOpping in it. How far will the block slide before coming to a stop? The mass of the bullet is 10.5 g, the
mass of the block is 10.5Kg, the bullet’s impact speed is 750 m/s, and the coefficient of kinetic friction between the