I NEED HELP QUICKLY 1) a 4kg soccer ball has a net force of 8N right: what is the acceleration of that ball? A) 2 m/s^2 B) 24 m/s^2 C) 0 m/s ^2 D) 8 m/s ^2 2) Amusement parks are finally open, a group of friends decide to take a break from all their worried and spend the day around the park. Their first destination in the park is the coaster. On this coaster; the first hill was 100 meters high. The second hill was 90 meters high. The card includes the weight of passengers of 50N. Where on the right with the kinetic energy would be the highest? A) at the top of the hill of 100 meters high B) at the bottom of the 100 meters high C) at the top of 90 meters high D) at the bottom of the 90 meters high 3) your friend likes black coffee, but it's too hot for her to drink when poured straight from the coffee pot. She adds one piece of ice to her coffee every morning. How is the heat exchanger during the process? A) the ice cube gain more what than the coffee loses B)the ice gain less heat than the coffee loses C) the amount of heat gained by the ice is equal to the amount of heat lost by the coffee D) no heat was exchanged