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# Tag: 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 […]

in this example again we are given a flat car of mass capital m with a child of mass small m, is moving at speed v-one , here the flat car is moving with speed v-one , and given that the child jumps in the direction of motion of car with a velocity u , […]

in this example again we are given a flat car of mass capital m with a child of mass small m, is moving at speed v-one , here the flat car is moving with speed v-one , and given that the child jumps in the direction of motion of car with a velocity u , […]

[ music ] Hey it’s me Destin welcome back to Smarter Every Day. So you’re probably well aware of the awesome science that comes out of space telescopes, but what you might not be aware of is the awesome science that goes into making these things work. For instance check out this NASA photo. These […]

We’re going to talk about a whole new concept, which is the concept of momentum. We’ve all heard the expression, “We have a lot of momentum going.” Well, in physics, momentum is a vector, and it is a product between the mass of a particle and its velocity. And so the units would be kilograms […]

Welcome to this lecture number 20 of our course on fundamentals of transport processes. . If you recall, in the previous lecture we had started solving problems involving transport in one dimension; unsteady transport in one dimension. So, we had considered the simple case of a fluid that is heated from below. Initially the system […]

dear students, let us study law of conservation of momentum now as we have already studied in the previous chapter , about system of particles, for a system of particle we have studied that velocity of centre of mass , of a system of particle can be given by , total momentum of system divided […]

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 […]

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 […]