Problem 24: Two acrobats. An acrobat of mass mA jumps upwards off a trampoline with an initial velocity v0 . At a height h0, the acrobat grabs a clown of mass mB . Assume that the time the acrobat takes to grab the clown is negligibly small.
a) What is th
MASSACHUSETTS INSTITUTE OF TECHNOLOGY
Physics Department
8.044 Statistical Physics I
Spring Term 2013
Problem Set #1
Due in hand-in box by 12:40 PM, Wednesday, February 13
Problem 1: Doping a Semiconductor
p(x)
0.2
0
l d
x
After diusing impurities into a
MASSACHUSETTS INSTITUTE OF TECHNOLOGY
Department of Physics
Physics 8.01X
Fall Term 2002
S OLUTIONS TO PROBLEM SET 4
1 Young & Friedman 5-26
A box of bananas weighing 40.0 N rests on a horizontal surface. The coefcient of static friction between the box
a
Problem Set 10
8.04 Spring 2013
Solutions
Thursday, May 9
Problem 1. (5 points) Zero Point Energy in a Lattice
Requiring go
1 means that the barriers are very strong. In this case, transmission across
the barriers is very small so the electrons can be app
MASSACHUSETTS INSTITUTE OF TECHNOLOGY
Physics Department
8.044 Statistical Physics I
Spring Term 2013
Solutions to Problem Set #1
Problem 1: Doping a Semiconductor
a) Mentally integrate the function p(x) given in the gure. The result rises from zero at a
MASSACHUSETTS INSTITUTE OF TECHNOLOGY
Department of Physics
Physics 8.01X
Fall Term 2002
PRACTICE EXAM 1
Problem 1:
a. A person is initially standing inside a closed box that rests on a
scale. The person jumps in the air. While the person is in the air
in
8.04: Quantum Mechanics
Massachusetts Institute of Technology
Professor Allan Adams
Thursday May 2
Problem Set 10
Due Friday May 10 at 11.00AM
Assigned Reading:
E&R
Li.
Ga.
Sh.
131.7
81.4
4supplements , 13all
see Libo
1. (5 points) Zero Point Energy in a
MASSACHUSETTS INSTITUTE OF TECHNOLOGY
Department of Physics
Physics 8.01x
Fall Term 2002
PRACTICE EXAM 2 SOLUTIONS
Problem 1:
This is a relatively straightforward Newtons Second Law problem. We set up a coordinate
system which is positive rightwards and d