Answer:
C. Horizontal component of velocity
Explanation:
Object in motion stays in motion,
nothing works against its motion in the horizontal direction, unlike in the vertical direction, gravity pulls object down.
Burning of paper is the answer
Answer:
While self-gravity pulls the star inward and tries to make it collapse, thermal pressure (heat created by fusion) pushes outward. These two forces cancel each other out in a main sequence star, thus making it stable.
Explanation:
This is false. Sound travels faster through steel. That is why you can see people in movies putting their ear on the railroads to see whether a train is coming. That is because they can't hear it through air, but the sound travels through the steel.