flysky profile image76


Joined 13 years ago from Zagreb, Croatia

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    Projectile Motion-how far can one throw a javelin?

    9 years ago

    The article addresses thy physics of projectile motion. Firstly we discuss vertical and horizontal projectile as a special case of this type of motions, caused by the gravitation force. All basic concept relating projectile motion, including trajectory, initial velocity, horizontal range are...

  • 0

    Can you catch the dollar? - physics of free fall

    9 years ago

    Starting with a tricky challenge of catching a bill we will discuss the physics of free fall. The intrigued fact whether the free fall depend on body mass or not dates back to the Galileo Galilei's experiments within the Leaning Tower of Pisa. The article addresses a rather comprehensive study of...

  • 5

    How does a roller coaster work? - the physics of circular motion

    9 years ago

    How come that bodies don't fall circling vertically to the ground? What is the force that overcome its weight? What is the physics behind excitements like a roller coaster trip? The article presents the answer on these and similar questions and addresses an overview of the uniform circular motion.

  • 1

    Newton's Law of Universal Gravity

    4 years ago

    Apples fall to the ground, but the Moon not! Why in some cases the gravitational interaction causes the free fall while in other the circular motion? The article presents the Universal Law of Gravitation, with some interesting related subjects.

  • Kepler's Three Laws of Planetary Motion

    Kepler's Three Laws of Planetary Motion

    4 years ago

    Johannes Kepler, one of the greatest astronomers, discovered fascinating laws underlying Earth's motion. Three Kepler's laws of planetary motion rule all motions in the Solar system as well as any planetary system. Giant contribution in this discovery gave Tycho Brahe with his accurate measurements...

  • 9

    Univariate and Multivariate Linear Regression

    6 years ago

    The article provides a technical overview of linear regression. Linear regression is based on the ordinary list squares technique, which is one possible approach to statistical analysis. Both univariate and multivariate linear regression is illustrated in small concrete examples. In addition to...


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