Does someone knows how to do this exercise? With the formula it would be more than helpful!!! Need it as soon as possible How long will it take for a ball to move from rest to 23 km/h with an acceleration of 2.2 m/s^2

Anybody wanna ? (picture included? )

An ideal polarizer with its transmission axis rotated 30 degrees to the vertical is placed in a beam of unpolarized light of intensity 10w/m^2. after passing through the polarizer, what is the intensity of the beam? a. 8.7 w/m^2 b. 7.5 w/m^2 c. 5.0 w/m^2 d. 10 w/m^2 e. 2.5 w/m^2

In a series circuit the __ is the same at every point