Ateacher uses the model that little invisible gremlins speed up or slow down objects and the direction they push gives the direction of acceleration. this is most similar to a) newton's first law b) newton's third law c) newton's second law d)conservation of momentum

The answer is C) Newton's second law

it's when something is going so fast it makes a loud noise, breaking the sound barrier, for example: a jet makes a loud noise, not only cause of the jet but because they reached a point where they went so fast that you can year the noise from various parts, kinda like a police car, lets say the car was going   so fast that you hear the siren of the cop car right next to you, but the car is probably a mile a way, it's cos the siren was next to you a few seconds if you understand me

there are no components of a physical goal mentioned on the list of choices that you've provided.