40.)A certain roller coaster accelerates its car 6.8 m/s up the first incline. If this acceleration happens during the first 70s of the ride, how much does the coaster's speed increase?

You are waiting in line to use the diving board at your local pool. while watching people dive into the pool from the board, you realize that using a diving board to spring into the air before a dive is good example newton's third law of motion. explain how a diving board illustrated newton's law of motion