a 1,500 car traveling at 5 m/s uses a force of 6000 N for 3 seconds. what is the final velocity of the car

Two polarizers are oriented at 40∘ to each other and plane-polarized light is incident on them. if only 16 percent of the light gets through both of them, what was the initial polarization direction of the incident light?

In order of decreasing light-transmitting capabilities of materials, which is the correct sequence? a. transparent -> translucent -> opaque b. opaque -> transparent -> translucent c. opaque -> translucent -> transparent d. translucent -> transparent -> opaque

For the car in the picture ,in which direction is the normal force? -into the screen -down -out of the screen -up