How does gravity cause the solar system to move within the galaxy?

Unpolarized light falls on two polarizer sheets whose transmission axes are at right angles. a third polarizer is placed between the first two so that its axis makes a 52-degree angle with the axis of the first polarizer. a) what fraction of the incident light intensity is transmitted through the first polaroid? b) what fraction of the incident light intensity is transmitted through the second polaroid? c) what is the angle of polarization of the light that enters the third polaroid? d) what fraction of the incident light intensity is transmitted through the third polaroid. e) what happens if the middle polaroid is removed?

If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =

Acar travels in reverse. it covers 150 meters in 12 seconds what is the velocity of the car what is the speed of the car