Happy Tuesday, friend Worldwide from Dr. TJ Gunn in Houston Texas USA….. Potential energy is energy that is stored in a system. There is the possibility, or potential, for it to be converted to kinetic energy. Any two objects with mass are attracted to each other by gravity. In space, it is possible to find […]

# Author Archives: Dr. TJ Gunn.org

## Quadratics / Sequences – Getting Formulas

Happy Tuesday, friends Worldwide from Dr. TJ Gunn in Houston Texas USA… Here are the counting numbers (given by nn ) and their leading diagonal: Here are the square numbers (given by n2n2) and their leading diagonal: And here are the cube numbers (given by n3n3) and their leading diagonal: And we could keep going! Here’s a question: What […]

## Quadratics / Galileo’s Mistake

by Dr. TJ Gunn Happy Monday, friends Worldwide from Dr. TJ Gunn in Houston Texas USA… It turns out, as we shall see, that any curve given by a formula of the form at2+bt+cat2+bt+c has a U-shape. And this U-shaped curve appears many places in nature. Galileo noticed shape of a rope or a chain hanging between two […]

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## Wavelength Formula

Happy Sunday friends Worldwide from Dr. TJ Gunn in Houston Texas.. Wavelength Formula Wavelength is the distance between the crests of a wave. Many different things can move like waves, like strings, water, the air (sound waves), the ground (earthquakes), and light can be treated as a wave. Wavelength is represented with the Greek letter […]

## Velocity Formula

Happy Saturday friends Worldwide from Dr. TJ Gunn in Houston USA Velocity is a measure of how quickly an object moves. So, the velocity is the change in the position of an object, divided by the time. Velocity has a magnitude (a value) and a direction. The unit for velocity is meters per second (m/s). […]

## Frequency Formula

Happy Saturday friends Worldwide from Dr. TJ Gunn in Houston USA Frequency is the number of cycles in a unit of time. The “cycles” can be movements of anything with periodic motion, like a spring, a pendulum, something spinning, or a wave. Frequency is equal to 1 divided by the period, which is the time […]

## UC BERKELEY’S LUSEE SELECTED FOR 2021 MOON LANDING

Happy Saturday friends Worldwide from Dr. TJ Gunn in Houston Texas Tuesday, July 2, 2019 / Physics at Berkeley News Scavenging spare parts and grabbing off-the-shelf hardware, University of California, Berkeley, space scientists are in a sprint to build scientific instruments that will land on the moon in a mere two years. NASA announced yesterday […]

## Frequency Formula

TGIF, friends Worldwide from Dr. TJ Gunn in Houston Texas USA……. Frequency is the number of cycles in a unit of time. The “cycles” can be movements of anything with periodic motion, like a spring, a pendulum, something spinning, or a wave. Frequency is equal to 1 divided by the period, which is the time […]