THE THALIDOMIDE
TRAGEDY
Background The Wonder
Drug
Immunomodulatory drug
History
1957: West Germany as Contergan
Chemie Grnenthal
Claimed Cures:
Anxiety
Insomnia
Gastritis
Tension
Morning sickness in pregnant women
The Tragedy
The Aftermath
Negligen
Modern Physics - Problem 30
When a beam of high-energy protons collides with protons at rest in the laboratory frame,
neutral pions (0) are produced by the reaction p + p p + p + 0. The kinetic energy of
each incoming high-energy proton is Ek'. We want to
Test 2 - PY106 Spring 1998 - Solution
This test is 90 minutes long and has a total of 100 points.
[15 points] 1. Multiple choice questions. Each question is worth 3 points. Partial credit may be
given for an incorrect answer if work is shown.
(i). A unifo
Solution to Test 1 - PY106 Spring 1998
This test is 90 minutes long and has a total of 100 points.
[15 points] 1. Multiple choice questions. Each question is worth 3 points. Partial credit may be
given for an incorrect answer if work is shown.
(i). A posi
Test 2 - PY106 Spring 1998
This test is 90 minutes long and has a total of 100 points.
[15 points] 1. Multiple choice questions. Each question is worth 3 points. Partial credit may be
given for an incorrect answer if work is shown.
(i). A uniform magnetic
Test 1 - PY106 Spring 1998
This test is 90 minutes long and has a total of 100 points.
[15 points] 1. Multiple choice questions. Each question is worth 3 points. Partial credit may be
given for an incorrect answer if work is shown.
(i). A positively-charg
Final Exam - PY106 Spring 1997
This test is 120 minutes long.
[10 points] 1. A moving charge in a magnetic field.
[5 points] (a) In a certain region there is a uniform magnetic field in the -y direction as shown
below. A positive charge with a velocity in
Section C midterm 1 solution
1. Consider the two charges q1 and q2 arranged along the x axis as shown.
(a) There is a point on the x axis in the vicinity of these charges where the electric field is zero.
This point is:
(x) to the left of q1
( ) between q
Section A midterm 1 solution
1. Consider the two charges q1 and q2 arranged along the x axis as shown.
(a) There is a point on the x axis in the vicinity of these charges where the electric field is zero.
This point is:
( ) to the left of q1
(x) between q
Final Exam - PY106 Spring 1997
This test is 120 minutes long.
[10 points] 1. A moving charge in a magnetic field.
[5 points] (a) In a certain region there is a uniform magnetic field in the -y direction as shown
below. A positive charge with a velocity in
Section A midterm 2
1. A square loop of wire with sides of length L = 0.17 m and total resistance R = 50 ohms is
moving with constant velocity v into a region of constant magnetic field B = 0.76 T. The
magnetic field is perpendicular to the plane of the l
Section A midterm 2
1. A square loop of wire with sides of length L = 0.17 m and total resistance R = 50 ohms is
moving with constant velocity v into a region of constant magnetic field B = 0.76 T. The
magnetic field is perpendicular to the plane of the l