Angular Projectile Motion Essay - 775 Words

Angular projectile motion is used to calculate how far an object with an initial velocity that is projected at an angle to the horizontal will travel horizontally. It can also be used to calculate the maximum height reached by the object and how long it was in the air for. When solving angular projectile motion problems, one must consider the following steps. To begin with one must calculate the horizontal acceleration of the object, keeping in mind that the vertical acceleration is 9.8 m/s2 due to gravity. In most cases one is given the angle of the ramp to the horizontal, and the velocity. If not given, the velocity can be calculated using the object’s acceleration at a given moment in time. One must then calculate the vertical and†¦show more content†¦In the movie the car lands on a yacht that is moving at a constant velocity of 35.7632 m/s. [E] and is already 33.3 m away from the ramp just as it leaves the ramp. To determine whether this scene demonstrates good or bad physics, we must determine how far the boat moves in the time that the car is in the air. To determine the distance traveled by the boat, one must use the velocity formula. We determined the velocity of the boat by using the scene from the movie which showed the car moving at 80 mph, at that exact time, the boat was clearly moving at the same velocity. We then converted the number to m/s and ended up with 35.7632 m/s. We calculated horizontal displacement to be 379.8875 m using the displacement formula. This demonstrated bad physics. In the movie the car had travelled 33.3 m, but through our calculations we came to a conclusion that the car should have travelled 380 m. This is more than 10 times the distance the car travelled in the movie. In our calculations, the initial displacement between the car and the boat, 33.3 m was calculated using a real life to a Samsung Galaxy S2x phone display ratio. This ratio was obtained by measuring the height of the actor standing upright on the yacht on the screen display using a ruler and his height in real life. We can use this ratio by measuring the initial displacement on the phone screen and multiplying it by the ratio to get the displacement in real life. Height of actor on phone screen = 0.25 cm Height ofShow MoreRelated Physics of Catapults Essay1122 Words   |  5 Pagesthe release pin was pulled. The tension on the arms pulled them forward, and the spear or rock was propelled forward by the rope in between the arms. Ballista Physics The design of the ballista is such that the force applied from the projectile comes from the tension of the twisted ropes. The ropes, when the tension is released, tend to return to their rest state with minimum tension, much like a spring would expand after being compressed. Using this similarity, the assumption can beRead MoreThe Principles Of Physics Behind The Sport1800 Words   |  8 Pageslate. 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If the jumper did not achieve this centripetal force while rounding the curve, he or she would have to continue in a strait line according to Newton’s first law of motion, because â€Å"[every] object remains at rest or in motion in a strait line at a constant speed unless acted on by an unbalanced force†(31). It is actually pretty difficult to distinguish the separation of the final phase of the J curve and the take off phase because they both