How much heat is needed to raise the temperature of 100.0 g of water by 50.0°C? (Water’s specific heat is 4.18 J/g•°C)

What type of light does this light bulb produce most (i. e. at what wavelength does the spectrum have maximum intensity)?

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?

Which car has the most kinetic energy? a. a car of mass 1000 kg with a speed of 3 m/s b. a car of mass 2000 kg with speed 7 m/s c. a car of mass 1000 kg with speed 7 m/s d. a car of mass 2000 kg with speed 3 m/s