Momentum
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Momentum

Hi. It’s Mr. Andersen and this AP Physics essentials video 49. It is on momentum which is just the product of the mass of an object times its velocity. In 1895 a train was headed towards Paris. They were a little bit behind schedule, did not apply the brakes in time and it came shooting […]

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Articles

Understanding Car Crashes: It’s Basic Physics

Announcer: GENTLEMEN, START YOUR ENGINES! Crew Member: GREEN, GREEN, GREEN, GREEN… Griff Jones: THESE DRIVERS LOST CONTROL AT VERY HIGH SPEEDS. THE RESULT WAS TRAGIC FOR ONE DRIVER… AND FORTUNATE FOR THE OTHERS. BUT WHY? WHAT MADE THE DIFFERENCE BETWEEN WALKING AWAY AND BEING CARRIED AWAY? THE ANSWER CAN BE FOUND IN SOME OF THE […]

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Bullet Block Explained!
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Bullet Block Explained!

In my last video we performed an experiment in which two identical wood blocks were shot with the same rifle, one through the center of mass and the other one slightly off to one side. Now if you haven’t seen that video yet, then click here now and go and watch it. Or, if you […]

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