Standard Criteria for High School Physics Teachers
-sent by Clifford Swartz
|
|
Over-Qualified |
Certifiable |
Needs Summer Institute |
Should be Promoted to Assistant Principal |
|
Science Content First Semester |
Solves inclined plane problems using the Lagrangian and second law of thermodynamics. |
Can solve most inclined plane problems using Newton's laws and trig. |
Can reproduce an inclined plane force diagram, but only if q = 30° and there is no friction. |
Is not inclined to use planes at all; prefers to go by car. |
|
Science Content Second Semester |
Can solve battery and bulb problems using Thevenin's theorem and Maxwell's equations. |
Can use Ohm's law in all three forms. |
Has trouble getting bulb lighted. |
Was once shocked by a flashlight battery and no longer fools around with them. |
|
Recall of Methods Courses |
Has doctorate in psychology as well as in physics. As a boy, studied with Piaget. |
Knows that Binet did not go to Stanford. |
Has an IQ close to 100 and is mighty proud of it. |
Has one standard deviation and several unusual ones. |
|
School Staff Citizenship Attitude |
Has successfully formed student cooperative corridor and toilet patrols. |
Was military policeman. |
Uses guard dog. |
Afraid to go to the bathroom. |
|
Professional Orientation |
Past President of both the American Association of Physics Teachers and NSTA. |
Member of AAPT and NSTA, but behind in dues. |
AAPT would not accept membership application. |
Neither would NSTA. |
|
Attitude Toward Students |
Noted for love of children. In 10 years voted most popular teacher 12 times. |
Works with Cub Scouts. Has never struck a child except in self defense. |
Hates most children. |
Loves children, but has not been caught. |
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The Parabolic Trajectory Versus Reality
-sent by Clifford Swartz
|
Weapon |
Max Range (m) |
|
Muzzle Velocity (m/s) |
Projectile Mass (kg) |
|
M-14 Rifle (7.62 mm) |
3725 |
74,000 |
853 |
0.0101 |
|
M-16 Rifle (5.56 mm) |
2653 |
100,000 |
991 |
0.0036 |
|
45 Cal. Pistol (11.4 mm) |
1500 |
7000 |
262 |
0.0162 |
|
40 mm Grenade |
400 |
590 |
76 |
0.23 |
|
81 mm Mortar |
3736 |
5900 |
240 |
4.24 |
|
4.2 inch Mortar |
5605 |
9100 |
299 |
11.8 |
|
105 mm Howitzer |
11,209 |
23,000 |
478 |
15 |
|
155 mm Howitzer |
14,946 |
33,000 |
569 |
44 |
|
8 inch Howitzer |
17,251 |
36,000 |
595 |
90 |