PLS ANSWER ASAP tenks ;3 first correct answer gets the brainliest

What color of light must blue light mix with to create white light? a. yellow b. white c. blue d. green

A1-lb collar is attached to a spring and slides without friction along a circular rod in a vertical plane. the spring has an undeformed length of 5 in. and a constant k =25 lb/ft. knowing that the collar is released from being held at a determine, the speed of the collar and the normal force between the collar and the rod as the collar passes through b.

What is the magnitude of the gravitational force acting on the earth due to the sun?