Me! larry and balky set up an experiment to analyze the motion of a marble as it rolled down an incline. they started the marble at the top of the ramp and set up photogates to collect data as the marble rolled down the ramp. which graph format will allow larry and balky to calculate instantaneous acceleration from the slope of the graph? a) velocity on the y-axis, time on the x-axis b) distance on the y-axis, time on the x-axis c) time on the x-axis, distance on the y-axis d) velocity on the y-axis, distance on the x-axis

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.