So we cannot consider the total motion because during one motionĪcceleration is negative and during the other motion the acceleration becomes positive which means we have to either consider the upward motion separately or the downward motion separately only then we can apply theĮquations of motion, right? So the first question we need to ask is which motion should we consider? The upward motion or the downward motion? Well, look at what is asked we are asked calculate the Spiderman is coming back down his velocity increases heīecomes faster and faster and during that time, theĪcceleration becomes positive. What's the problem over there? The problem is when Spider-Man is going up he's slowing down and during that time, hisĪcceleration becomes negative because it's becoming slower and slower. But the difference over here is that Spiderman goes both up and comes back down and that total time is given to us. Up, so how do we do this? Well, because objects in free-fall always have a constant acceleration this means we can go ahead and use the three equations of motion and solve what we want and we've solved problems like this in a previous video calledįree-fall one body soul example. Seconds for him to go up and come back down and we are asked to calculate the velocity with which he jumped up. Jump straight up like this goes up and then lands back and it takes him eight So what's given to us, well, it's given that we have Spiderman so here's our Spiderman. With which he jumped up given g is 10 meters per second square. Spiderman jumps straight upĪnd lands back in eight seconds calculate the velocity
#Free fall physics calculator free
Solve a couple of problems of objects in free fall but when they're both going up and down, here's the first example.
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