3. a child slides down a slide and has 450 j of kinetic energy at the bottom of the slide. if all this energy was gravitational potential energy at the top of the slide and her mass is 49 kg, how tall is the slide?

Which surface feature of the moon is characterized by mountainous areas? terrae craters maria regolith

An experiment is designed to test the relationship between the initial height of a basketball before it is dropped to the height of its rebound bounce. the height of the rebound bounce is measured using a scale positioned behind the ball. in the above experiment, which condition would not be controlled? a). the starting height of the ballb). the surface the ball bounces on c). the type of ball d). the method to measure the rebound height of the ball

Could someone . i have tried to solve myself but my calculation is off