The speedometer in a car does not measure the car’s velocity because the velocity is a

It does not indicate the car's direction. Since velocity is both magnitude and direction, the speedometer measures speed but does NOT measure velocity

a

explanation:

no diagram was provided, but i'm guessing it's the one i've attached to my answer.

here, a mechanical force turns the rod.   this generates an electric current in the coil, which powers the bulb.

in this image, you can see solar radiation going through ocean water.

no image, but probably absorption