A girl is running the 200 m dash. She starts by acceleration at 8m/s^ 2 for . Then continues at this speed until the end of the race. How long did it take for her to complete the race ?

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.

What characteristics of hv2112 make it the best candidate to be classified as a thorne-zytkow object?

In addition to gravity, what is the other predominant force that affects the motion of a pendulum?