Corita bounced a ball four times. she measured how high the ball bounced each time. she recorded her data in the table. which bounce was made with the greatest force?

Starting with only the balmer series light (visible light), how could we ensure that the solar panels generate a current that mark can use for his power station? a)by gradually increasing the brightness (amount) of light that we shine on it. b)by gradually increasing the frequency of the light we shine on it. c)by gradually increasing the wavelength of the light that we shine on it.

Aball horizontally thrown from a cliff at 8m/s

Am i correct on these two physics questions?