Most fertilizers contain ammonia. ammonia (nh3) forms when hydrogen reacts with nitrogen. which balanced equation represents ammonia? 3h2 + n2 ? nh3 h2 + n2 ? 2nh3 h2 + n2 ? nh3 3h2 + n2 ? 2nh3

The crank oa rotates in the vertical plane with a constant clockwise angular velocity ω0 of 5.6 rad/s. for the position where oa is horizontal, calculate the force under the light roller b of the 10.6-kg slender bar ab.

The statue of liberty is 305.5 feet high. when the angle of elevation of the sun is 50 , what is the distance to the tip of the shadow from a point at water level and directly below the highest point of the statue?

What types of radiation make up the electromagnetic spectrum?