Do ONE of the following. Clearly indicate whether you are answering #3 Choice 1 or #2 Choice 2. (8 marks) CHEM An airplane ies with an air speed of 50.0 mls [ E]. If. according to an observer on the ground. the velocity of the airplane is 25.0 mls [N 45 E]. what is the wind velocity? 0R W A 0.100 kg ball is swung in a vertical circle on the end of its 0.50 m long string. If the string can withstand a maximum tension of 50.0 N. I) what is the maximum speed of rotation of this ball that the string can withstand? Include a labelled free-body diagram with your answer. It] What will the least amount of tension be in the string as the object is swung in a vertical circle at this speed? Where will this minimum tension occur? Include a labelled free-body diagram with your