HELP PLEASE!! In the diagram, a ball has just been thrown and it about to be caught. Use the diagram to answer each question. Write the letter of the correct stage on the lines provided. Some stages may be used more than once.

1. At which stages is kinetic energy at the maximum value? _ and _?

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 2 options: the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the cold balloon expands and rises. the warm balloon shrinks and sinks. the warm balloon expands and rises. the cold balloon shrinks and sinks.