The Aswan High Dam on the Nile River in Egypt is 111 m high. What is the gauge pressure in the water at the foot of the dam? The density of water is 1000 kg/m3
A) 1.11 × 102 Pa B) 1.09 × 106 Pa C) 1.11 × 105 Pa D) 1.09 × 103 Pa E) 1.16 × 106 Pa
B
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The process of making an electron less tightly bound to an atom's nucleus is known as
a. excitation. b. Doppler broadening. c. collisional broadening. d. a red shift. e. quantum mechanics.
The energy of a ball rolling up an inclined plane
a. is entirely kinetic. b. is entirely potential. c. is both kinetic and potential. d. none of the above
How much heat, in joules, is required to convert 1.00 kg of ice at 0°C into steam at 100°C? (LF,ice = 333 J/g; LV,steam = 2.26 × 10^3 J/g.)
a. 3.35 × 10^5 b. 4.19 × 10^5 c. 2.36 × 10^6 d. 2.69 × 10^6 e. 3.01 × 10^6
Latent Heats: The melting point of aluminum is 660°C, its latent heat of fusion is 4.00 × 105 J/kg, and its specific heat is 900 J/kg ? K. If 300 kJ of heat are added to 442 g of aluminum at 100°C, what is the final state of the system? That is, how much is liquid, how much is solid, and what is its temperature?
What will be an ideal response?