Name the four principal types of solar-system debris; pair them up in terms of composition
What will be an ideal response?
Comets, asteroids, meteoroids, and Kuiper Belt objects. Comets and Kuiper Belt objects are icy, while meteoroids and asteroids are more rocky.
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A continuous spectrum is created by a hot ionized gas
a. True b. False Indicate whether the statement is true or false
Two optically flat glass plates, 16.0 cm long, are in contact at one end and separated by 0.0200 mm at the other end. The space between the plates is occupied by oil with index of refraction 1.45. The index of refraction of the glass plates is 1.55
The plates are illuminated at normal incidence with monochromatic light, and fringes are observed. If the dark fringes are spaced 2.00 mm apart, what is the wavelength of the monochromatic light? A) 425 nm B) 475 nm C) 525 nm D) 675 nm E) 725 nm
In a police ballistics test, a 2.00-g bullet suddenly hits and becomes embedded in a 5.00-kg wood block which is hanging from a 1.20-m long string. This causes the block to swing through an arc of 3.50°
What was the speed of the bullet just before it hit the block? A) 16.7 m/s B) 524 m/s C) 25.3 m/s D) 262 m/s E) 789 m/s
Which of the following is not a possible thermometric property of a body?
a. The change in length of a solid. b. The change in volume of a gas at constant pressure. c. The change in pressure of a gas at constant volume. d. The change in weight at constant pressure and volume. e. The change in electrical resistance of a conductor.