5. it takes a 900. kg racing car 12.3 s to travel at a uniform speed around a circular racetrack of radius 90.0 m.
it is accelerating at a rate of 23.5m/s. what is the centripetal force acting on the car, and which force provides it

hotter stars = bluer stars

co2reflects heat radiation back to earth buning coal and oil emits co2 globe warms

probably not the "magnets"in the magnet, so to speak, are thought to be electrons orbiting in shells. vurrent loops two sides to the loop

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