Ph1a: Solution to Quiz 2
Alejandro Jenkins, Fall 2004
Problem 1 (4 points) - Incline Slipping
An incline of mass M rests on a oor with a coecient of static friction . A mass m1 is suspended by a massless string that passes over a frictionless pulley of ne
Ph1a Quiz 2 Solutions Fall 2016
Tian Wang
Oct 24, 2016
1
Cars on a track (5 points)
(a)
a (1 points)
In this case, the normal force N provides the centripetal force.
N sin = mv02 /R
(1)
N cos = mg
(2)
(3)
hence
N = mg/cos
(4)
v02
(5)
= Rgtan
p
v0 = Rgtan
Ph1a Solutions 5
Chefung Chan ([email protected]), Fall 2004 Each homework problem is worth 5 points. Please disregard the point values listed on the problem itself. Use these instead.
5.1
5.1.a
QP14 (5 points)
(1 point)
Use the denition of the center of
Ph1a Solutions 4
Chefung Chan ([email protected]), Fall 2004 Each homework problem is worth 5 points. Please disregard the point values listed on the problem itself. Use these instead.
4.1
4.1.a
QP6 (5 points)
(1 point)
Writing down Newtons laws in the ve
Ph1a Solutions 3
Che-Fung Chan ([email protected]), Fall 2004 Each homework problem is worth 5 points. Please disregard the point values listed on the problem itself. Use these instead.
3.1
3.1.a
QP3 (5 points)
(0.5 points)
In terms of the lengths in the
Ph1a Solutions 2
Che-Fung Chan ([email protected]), Fall 2004 Each homework problem is worth 5 points. Please disregard the point values listed on the problem itself. Use these instead.
2.1
Serway 7.9(6th)/7.13(5th) (5 points)
Basic concept (2 points) The
Ph1a 2004 Homework 1 Solution
Chefung Chan ([email protected]), Fall 2004 Each homework problem is worth 5 points. Please disregard the point values listed on the problem itself. Use the points listed below instead.
QP1 (5 points)
(a) (0.5 point) 1 1 s =
Ph1a: Solution to the Final Exam
Alejandro Jenkins, Fall 2004
Problem 1 (10 points) - The Delivery
A crate of mass M , which contains an expensive piece of scientic equipment, is being delivered to Caltech. The delivery truck has a freight bed of length L
Lecture 2: Derivatives, Falling Bodies
Ph 1a Click to edit Master subtitle style Fall 2009
2/23/11
Picture 5
2/23/11
How much money is in an armored car ?
Order of magnitude estimates
A ream of paper (500 sheets) is 5 cm thick Volume of a $20 bill is 6 cm
Ph1a Homework Solution 1
Fall 2016
Each homework problem is worth 5 points. Please disregard the point values listed on the problem itself.
Use these instead.
1.1
1.1.a
Frautschi 3.10 (5 points)
(5 points)
We will first derive the time analytically, then
Ph1a Homework Solution 3
Fall 2016
Each homework problem is worth 5 points. Please disregard the point values listed on the problem itself.
Use these instead.
3.1
3.1.a
Frautschi 7.16 (5 points)
(2 points)
Let F~12 be the gravitational force m1 feels beca
Ph1a Homework Solution 5
Fall 2016
Each homework problem is worth 5 points. Please disregard the point values listed on the problem itself.
Use these instead.
5.1
5.1.a
QP15 (5 points)
(1 point)
Conserving momentum gives:
pi = M v0 = (2M )vf = pf
v0
vf =
Ph1a Homework Solution 4
Fall 2016
Each homework problem is worth 5 points. Please disregard the point values listed on the problem itself.
Use these instead.
4.1
4.1.a
Frautschi 10.21 (5 points)
(5 points)
Suppose the child leaves the mound at some angle
Ph1a Homework Solution 2
Fall 2016
Each homework problem is worth 5 points. Please disregard the point values listed on the problem itself.
Use these instead.
2.1
Frautschi 6.22 (5 points)
2.1.a
(1 points)
2.1.b
(1 points)
The resultant of the two forces
Ph1a Homework Solution 9
Fall 2013
Each homework problem is worth 5 points. Please disregard the point values listed on the problem itself.
Use these instead.
9.1
9.1.a
FP3 (5 points)
(2 points)
The volume ow rate must be constant which implies (vA)hose =
Ph1a Homework Solution 7
Fall 2013
Each homework problem is worth 5 points unless otherwise noted.
7.1
7.1.a
Frautschi 12.17 (5 points)
(1 points)
2
Newtons 2nd law x + x + 0 x = 0
m
2
g
Here, 0 =
=
3.1321 rad/s, is the natural angular frequency of the p
Physics 1a, Fall 2013
Quiz 4 Solutions
Problem 1
(a) (1 Point)
Suppose the direction of friction on m acted by M is left. Then the direction of a1 should be left.
But the cylinder (m) rotates clockwise. This leads to a is toward right. Then a1 = a0 + a
mu
Ph1a Homework Solution 8
Fall 2013
Each homework problem is worth 5 points. Please disregard the point values listed on the problem itself.
Use these instead.
8.1
8.1.a
Frautschi Chap. 17 problem 12, 22, 24 (5 points)
(1 point)
The eccentricity for zero-a
Lecture6:Gravita.on&Circular Mo.on
Ph1a October15,2010
TheSolarSystem
KeplersThirdLaw
Squareoftheorbitalperiodispropor.onalto thecubeofthesemimajoraxisoftheorbit Newton:
2 Angularvelocity: = T Requiredforce:|F | = m2 R = m mR mR m |F | 2 3 = 2 T R R T 2