D) If you sit on the edge of an office chair, how fast must you spin the chair before
friction will no longer hold you on the chair?
By Puneet Thukral, Lovedeep Kaur, Nazgol Abrishami, Mahsa Tahmouresi, Zahra
ghodsi
Assuming:
= 0.7
Radius when we sit on
By: Lovedeep Kaur, Puneet Thukral, Nazgol Abrishami
A) Select two moons with a small eccentricity to calculate the mass of Saturn.
Compare your value to the correct value.
x
a
FG
moon
y
saturn
R
From the list of Wikipedia we choose the following two moons
By: Lovedeep Kaur, Puneet Thukral, Nazgol Abrishami
D) What is the velocity of the pair of the golf ball and baseball immediately
after they hit?
Before the collision :
BB
GB
V BB = 161km/h
V GB = -340km/h
After the collision:
BB
GB
Vf
= ?
We searched on
By: Lovedeep Kaur, Puneet Thukral, Nazgol Abrishami
B) Select two moons with a small eccentricity to calculate the mass of Saturn.
Compare your value to the correct value.
x
moon
y
saturn
R
From the list of Wikipedia we choose the following two moons;
1st
C) How to calculate the impulse that a badminton racquet exerts on the birdie.
By Nazgol Abrishami, Lovedeep Kaur, Puneet Thurkral
Impulse equals to the change in momentum, thus we can write F=ma.
We can also rewrite this formula to = or = .
Note that fro
A) What spring constant do you need in the spring of a toaster so that it can throw the toast up
entirely out of the toaster?
HookesLawstatesthatF=kx,wherexwouldbethecompressionofthetoasterspring.This
leavesthequestionofhowwecanfactorinhowhighthepieceofto
B) If the pogo sticks in extreme pogo had springs in them, what would the spring
constant be?
HookesLawstatesthatF=kx,wherexwouldbethecompressionofthepogostickspring.Thisleavesthe
questionofhowwecanfactorinheightof9ft.TheanswerisusingthePEformula,mgh,butt
C)Whileyouandyourlabpartneraresittingatoneofthedesksinthelab,howmuchcharge
(andwhatsign)wouldyouneedtoeachacquireinordertocanceloutthegravitational
attractionbetweenyou?
Firstofall,weneedtocalculatethegravitationalattraction.Wewillsaythattheradius
between
A) Draw a circuit with one battery and three resistors. Find the current through the circuit and
equivalent resistance if the resistors are in series. Then consider arranging the resisters in parallel and
find the current through each branch of the circui
C) Calculate what current would pass through your body if you held one end of an electric eel in each
hand.
Electric eel Voltage: 650 V
Resistance goes up with length and down with the diameter.
Ohms Law:
I: Current
V: voltage
R: resistance
Resistance of
A) Calculate the maximum tension in the chain holding up a person swinging on a
playground swing
By Puneet Thukral, Lovedeep Kaur, Nazgol Abrishami, Mahsa Tahmouresi, Zahra
ghodsi
1
2
Assuming:
Average Mass of a person = 70kg
Length of the chain= 50m
Radi
How to find the initial velocity to exert to a football in order to travel 50 m in
3 seconds
By Nazgol Abrishami & Puneet Thukral
50m
Based on the knowledge we have, we know that the initial and final vertical
position equals to 0m thus we can use the for
B) Determining the acceleration and the speed of a person sliding down a
banister
BY Nazgol Abrishami & Puneet Thukral
Free Body Diagram:
N
(
In the above situation we can say that
Thus
Moreover we can write that
Therefore we conclude that
If we cancel th
D) How to calculate how far you can slide on a wooden floor with socks.
By Nazgol Abrishami & Puneet Thukral
Free Body Diagram:
N
F
In the above situation we can say that
Thus
Moreover we can write that
And
Therefore we conclude that
If we cancel the mass
[A]t (M) Vs. Time (s)
Determine the reaction order of A -> products
3.000
ln[A]
1/[A]
Time (min) [A] (M)
0
2.719 1.00026417 0.3677822729
1
2.612 0.96011621 0.382848392
2
2.586 0.95011228 0.386697602
3
2.509 0.91988427 0.3985651654
4
2.459 0.89975476 0.406