In which of the following situations does gravity supply a centripetal force?

Jasmine is diving off a 3-meter springboard. her height in meters above the water when she is x meters horizontally from the end of the board is approximated by the equation h=-x^2+3x+3. what is the maximum height jasmine will reach on her dive?

The discovery of the electron as a subatomic particle was a result of

The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is as it changes into other forms of energy.