The Gateway Arch in St. Louis, Missouri is 630 feet tall. Express this distance in meters and in kilometers
192 m, 0.192 km
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An empty spice bottle has an inner volume of 1.31 × 10?4 m3. It has a mass of 112 g when filled with air, and it displaces 1.63 × 10?4 m3 of water when fully submerged. What volume of mercury (?Hg = 13.6 × 103 kg/m3) must be added to the empty bottle so that it will just submerge?
A. 3.75 cm3 B. 12.0 cm3 C. 101 cm3 D. 147 cm3 E. 237 cm3
About 74% by mass of Earth's crust is composed of the two elements
a. oxygen and iron. b. aluminum and iron. c. oxygen and silicon. d. silicon and aluminum.
In order of decreasing frequency, which of the following is correct?
a. infrared, visible, ultraviolet, and gamma b. gamma, ultraviolet, visible, and infrared c. visible, radio, ultraviolet, and X-ray d. visible, gamma, ultraviolet, and X-ray
Uncertainty Principle Using Momentum and Position: A 10-g bouncy ball is confined in a 8.3-cm-long box. What is its minimum energy? (h = 6.626 × 10-34 J ? s)
A. 8.1 × 10-65 J B. 3.2 × 10-46 J C. 1.3 × 10-20 J D. 9.4 × 10-75 J