In going from Sa to Sc, the size of the ________ reduces significantly
Fill in the blank(s) with correct word
nuclear bulge
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Conversion of Units: 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. 1510 cm B. 591 cm C. 2520 cm D. 3810 cm E. 38,100 cm
That quasars were at cosmological distances yet appeared like ordinary faint stars meant:
A) they were the brightest stars ever observed. B) they must be very large. C) they must contain many O and B type stars. D) they must be producing such large quantities of energy than even fusion could not explain their output. E) they must be very small, but bright due to gravitational lensing.
An air track cart with mass m and speed v moving along an air track collides with a stationary cart with a mass m/3. After the collision the first cart has a speed v/2. What is the speed of the second cart?
What will be an ideal response?
An object that hangs from the ceiling of a stationary elevator by an ideal spring oscillates with a period T. If the elevator accelerates upward with acceleration 2g, what will be the period of oscillation of the object?
A) 4T B) 2T C) T D) T/2 E) T/4