You and a friend have to run around the track for gym class. The requirement is 6 laps during the class period (the length of a track is 400m). Your friend likes to take breaks so she sprints a lap and then walks the next. You like to lightly jog the whole thing. If you jog 2 m/s and your friend sprints 6m/s and walks 1.2m/s. Who finished first? Who was running faster?

Anybody wanna ? (picture included? )

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.

In a set amount of time, a battery supplies 25j of energy to an electric circuit that includes two different loads. one of the loads produces 10 j of heat energy during this time interval. how much heat energy is produced by the second load in this time? explain your answer