Sound waves travel through steel railroad rails a distance of 2350 m
in 0.383 s. What is the speed of
sound in the rails?

According to newton’s law of universal gravitation, which statements are true? as we move to higher altitudes, the force of gravity on us decreases. as we move to higher altitudes, the force of gravity on us increases. as we gain mass, the force of gravity on us decreases. as we gain mass, the force of gravity on us increases. as we move faster, the force of gravity on us increases.

How are positive ions different from neutral atoms

Atoms in a molecule are bonded together by sharing gaining or losing_