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Millikan Oil Drop Experiment: (Order Code MOD-A, $29.95)
Winner of Classroom Computer Learning's Software Award of Excellence
Millikan's oil drop experiment is one of the classic physics experiments of this century. Unfortunately, it is also a very difficult experiment to do in an introductory physics class. This program enables students to simulate the oil drop experiment without the frustrations of the actual experimental apparatus. Students can inject a new drop, control the voltage with keystrokes, and measure the velocity of the drop. |
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Projectiles II: (Order Code PR-A, $24.95)
Nine interesting challenges allow students to experiment with projectile motion. One example, Hit a target at a known range by launching horizontally from a 100-meter cliff assuming no air resistance. Various modes complicate the situation by changing the launch site, adding air resistance or wind, or causing the target to move. The student enters the launch speed and launch angle for the shot. The projectile motion is then displayed.
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Charged Particles II: (Order Code CP-A, $24.95)
Allows students to experiment with the motion of an electrically charged particle in magnetic and electric fields. Several different particles are used. The program presents eight challenges to the student. One example is, Determine as much as you can about the isotopes of "Unknown Z" by using the simulation as a "mass spectrometer." The student experiments by changing the field strengths or the speed of the particle until the necessary solution is found.
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Orbit II: (Order Code OR-A, $24.95)
Nine challenges allow students to experiment with satellite motion. Two examples are, (1) Obtain a circular orbit by launching from a space station. (2) Use the thruster rockets to correct the elliptical orbit of a satellite and put it in a geosynchronous orbit. The student selects the launch speed and angle and the satellite is launched. The satellite motion is plotted and the heading, speed, and distance from the earth are continuously displayed.
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Wave Addition III: (Order Code WA-A, $29.95)
Graphically demonstrates the superposition of waves in 9 different modes. Some modes are programmed to demonstrate various principles with no additional student input. In other modes, the student selects the waves to be added. The component waves and the result of the superposition of the waves are drawn on the screen. The program provides an efficient way of demonstrating the relationship between wavelength, frequency, and wave speed; constructive and destructive interference; beats; Fourier synthesis of waves, etc.
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Vector Addition III: (Order Code VA-A, $29.95)
Vector Addition III graphically demonstrates the head-to-tail addition of vectors. Magnitudes and directions are entered and the vectors and their resultant are drawn. As many as 17 vectors can be added. The magnitude and direction of the resultant are displayed at the bottom of the screen. The program can be customized to use different systems for defining angles.
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