Adiving pool that is 6 m deep and full of water has a viewing window on one of its vertical walls. find the force on a window that is a square, 0.75 m on a side, with the lower edge of the window 0.5 m from the bottom of the pool. use 1000 kg divided by m cubed for the density of water and 9.8 m divided by s squared for the acceleration due to gravity.

Aphysical change is a change in the size, shape,, or stafe of matter true or false

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.

Ineed the answer to question 1 , i’m desperate