kepler's third law may be written: p2=A3. What is "a".
What will be an ideal response?
distance between sun and a plane
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If you hold out your thumb at arm's length and rapidly blink each eye closed in an alternating pattern, your thumb appears to move left and right. This exercise is an example of _____________
Fill in the blank(s) with correct word
Kirchhoff's Rules: For the circuit shown in the figure, R1 = 50 ?, R2 = 20 ?, R3 = 35 ?, R4 = 10 ?, R5 = 68 ?, I1 = 0.111 A, I2 = 0.142 A, and the batteries are ideal.(a) Determine V1 and V2.(b) What is the potential difference across R4?
What will be an ideal response?
In ?- decay, the number of neutrons in the nucleus is
A) decreased by 1. B) decreased by 2. C) increased by 1. D) increased by 2. E) remains unchanged.
What causes spherical aberration?
A. the lens surface is not perfectly smooth B. the outer edges of the lens produce a focus at a different point than the central rays C. light is an electromagnetic wave with intrinsic diffraction properties D. the absorption of light in the glass is a function of wavelength