A person throws a ball horizontally from the top of a building that is 24.0 m above the ground level
The ball lands 100 m down range from the base of the building. What was the initial velocity of the ball? Neglect air resistance and use g = 9.81 m/s2.
A) 202 m/s
B) 9.80 m/s
C) 19.6 m/s
D) 45.2 m/s
E) 94.4°
D
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The deepest depression found on the surface of Mars is the
A) Caloris basin. B) Hellas Basin. C) Valles Marineris rift. D) Mare Crisium. E) Mariana Trench.
The search for black holes involves searching for
a. single stars that emit large amounts of X-rays. b. X-ray binaries where the compact companion has a mass in excess of 3 . c. large spherical regions from which no light is detected. d. pulsars with periods less than one millisecond. e. pulsars that are orbited by planets.
Which isotopes are most appropriate for dating formations from the following ages: (a) the early Precambrian; (b) the Mesozoic; (c) the late Pleistocene?
What will be an ideal response?
Exclusion Principle: How many 3d electron states can an atom have?
A. 0 B. 4 C. 6 D. 8 E. 10