The front brakes vs rear brakes comparison has everything to do with friction and heat. From a physics standpoint, the brakes on your car are designed to convert the kinetic energy of your moving vehicle into heat energy, via friction. The result of that energy conversion is what brings your car to a stop.
Mae C. Jemison is the first African-American female astronaut. In 1992, she flew into space aboard the Endeavour, becoming the first African-American woman in space.
Mae Jemison went to Morgan Park High School in Chicago, Illinois. Then, at the age of 16, she went to Stanford University and graduated with a bachlers degree in chemic â¦ al engineering and in Afro-American Studies. They were both achieved in 1977. In 1981 she graduated from Cornell University's medical school.