In the symbol for the Hubble type of a galaxy, SBc, the "B" denotes what?

A.) Tightly wound spiral arms.
B.) The presence of a bar.
C.) The presence of a ring.
D.) A large bulge component.
E.) Loosely wound spiral arms.


Ans: B.) The presence of a bar.

Physics & Space Science

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______________ is a measurement of the quantity of matter

Fill in the blank(s) with correct word

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Fluid Flow: Water flows out of a large reservoir through an open pipe, as shown in the figure. What is the speed of the water as it comes out of the pipe?

A. 8.9 m/s B. 9.9 m/s C. 13 m/s D. 14 m/s E. 16 m/s

Physics & Space Science

The largest volcano in the solar system is on ______________

Fill in the blank(s) with correct word

Physics & Space Science

A constant volume closed container of gas is at a pressure 1.00 × 105 N/m2 and a temperature 20°C. What is the pressure if the temperature of the gas is increased to 60.0°C?

A) 0.330 × 105 N/m2 B) 9.00 × 105 N/m2 C) 0.880 × 105 N/m2 D) 3.00 × 105 N/m2 E) 1.14 × 105 N/m2

Physics & Space Science