The column of Trajan, erected in Rome in 106-113 A.D., is 125 feet tall. What is its height in centimeters? (2.54 cm = 1.00 in.)
A) 1,510 cm
B) 591 cm
C) 2,520 cm
D) 3,810 cm
E) 38,100 cm
D
You might also like to view...
A grinding wheel has a mass of 250 kg and moment of inertia of 500 kg 
A torque of 100 N•m is applied to the grinding wheel. If the wheel starts from rest, what is the angular momentum of the wheel after 5.0 seconds?
A. 650 kg 
B. 500 kg
C. 450 kg
D. 300 kg
E. 250 kg
The semi-major axis, a, of an elliptical planetary orbit is equal to the
A) width of the ellipse B) distance between the planet and the Sun at perihelion C) average distance between the planet and the Sun D) distance between the planets and the Sun at aphelion
The moons of Mars, Phobos (Fear) and Deimos (Terror), are very close to the planet compared to Earth's Moon. Their orbital radii are 9,378 km and 23,459 km respectively. What is the ratio of the period of revolution of Phobos to that of Deimos?
A) 0.2528 B) 0.3998 C) 1.582 D) 2.858 E) 3.956
Why are interstellar absorption lines so narrow compared to the width of lines which originate in the photospheres of stars?
What will be an ideal response?