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Peer reviewedMamola, Karl C., Ed. – Physics Teacher, 1992
Describes a homemade experimental chamber constructed to accurately measure the refractive index of a transparent liquid. (MDH)
Descriptors: Lasers, Light, Mathematical Formulas, Measurement Equipment
Peer reviewedBrown, Ronald A. – Physics Teacher, 1992
Discusses solutions to the problem of maximizing the range of a projectile. Presents three references that solve the problem with and without the use of calculus. Offers a fourth solution suitable for introductory physics courses that relies more on trigonometry and the geometry of the problem. (MDH)
Descriptors: High Schools, Higher Education, Kinetics, Mathematical Formulas
Peer reviewedKluk, Edward; Lopez, John L. – Physics Teacher, 1992
Presents one way, using simple materials available in hardware stores, to obtain accurate measurements of gravity acceleration in student laboratories. Analyzes a time-of-flight measuring scheme and discusses the experimental arrangements to make the measurements. (MDH)
Descriptors: Acceleration (Physics), Gravity (Physics), High Schools, Higher Education
