From full moon to third quarter moon takes about a week
Indicate whether the statement is true or false
TRUE
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If a metal has a low cohesive energy, the metal is expected to have a ______________hardness.
Fill in the blank(s) with the appropriate word(s).
Single-Slit Diffraction: A single thin slit forms a diffraction pattern when illuminated with monochromatic light. The fourth minimum of the pattern occurs at an angle of 32.0° away from the central maximum. At what angle does the fifth minimum occur?
A. 41.5° B. 41.0° C. 40.5° D. 42.0° E. 42.5°
Two identical planets orbit a star in concentric circular orbits in the star's equatorial plane. Of the two, the planet that is farther from the star must have
A. the smaller period. B. the greater period. C. the smaller gravitational mass. D. the larger gravitational mass. E. the larger universal gravitational constant.
A satellite is in a circular orbit 600 km above the Earth's surface. The acceleration of gravity is 8.21 m/s2 at this altitude. The radius of the Earth is 6400 km. Determine the speed of the satellite, and the time to complete one orbit around the Earth.
What will be an ideal response?