A meteor is approaching Earth. Which statement about its motion is true? A.
The meteor travels upward relative to Earth.
B.
The meteor accelerates.
C.
The meteor is out of Earth’s gravitational force field.
D.
The meteor falls with a constant velocity.

Why are graphs useful when interpreting data

Light from a sodium lamp passes through a diffraction grating that has 1000 slits per millimeter. the interference pattern is viewed on a screen 1.000 m behind the grating. the first (m = 1) two bright yellow fringes that are visible are 0.7288 m and 0.7300 m from the central maximum. what are the wavelengths of these two fringes?

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