In a childhood game called “crack the whip”, children hold hands, form a line, and pivot around one person at the center. who is most likely to let go first and why? refer to the centripetal acceleration and the centripetal force formulas to justify your comments where possible.

this allows people to make the best decision or pursue the best option. when alternatives are weighed using their advantages and disadvantages, the option whose disadvantages outweigh the advantages (based on a qualitative or quantitative analysis) are shunned while those whose advantages outweigh their disadvantages are pursued.  

graph slopes whilst gas cools, then it is flat whilst conensation to liquid happens, the coolong liquid then graphs as a slope when it solidifies graph is flat

latent heat

what is the speed of a softball that travels 20m in 2secs

speed = 20/2 = 10 m/s