The speed of sound waves through two different media, steel and air, was recorded. According to the graph, sound waves travel Speed of Sound
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Steel
Air
Medium
o through steel, but not through air
O faster through steel than through air.
O faster through air than through steel.
O through steel and air at similar speeds

What is a subatomic particle with a negative charge and very little mass?

Along wire carrying a 4.2 a current perpendicular to the xy-plane intersects the x-axis at x=−1.7cm. a second, parallel wire carrying a 3.0 a current intersects the x-axis at x=+1.7cm. part a at what point on the x-axis is the magnetic field zero if the two currents are in the same direction? express your answer to two significant figures and include the appropriate units.

1which body contains the majority of the mass in the solar system earth jupiter the moon the sun 2 what keeps the objects in the solar system such as planets orbiting around the sun the force of gravity the galaxy exerts on all objects within it including the solar system the great distance between the sun and the planets the sun's nuclear fusion which acts on each object the gravitational force between the sun and each object in the solar system