A certain chad playing on a frictionless slide possesses 1000 J of potential energy at the top of the side relativt
the bottom of the slide She gives herself a push so that she also possesses 400 J of creticeners at the beginning
of her motion down the slide
How much kinetic energy does she possess at the bottom of the side

a women have faced negative attitudes in some areas , but other

it's when something is going so fast it makes a loud noise, breaking the sound barrier, for example: a jet makes a loud noise, not only cause of the jet but because they reached a point where they went so fast that you can year the noise from various parts, kinda like a police car, lets say the car was going   so fast that you hear the siren of the cop car right next to you, but the car is probably a mile a way, it's cos the siren was next to you a few seconds if you understand me