Once crossed, not even light can return over the ________ of a black hole

Fill in the blank(s) with correct word


event horizon

Physics & Space Science

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When a rigid body rotates about a fixed axis all the points in the body have the same tangential speed

Indicate whether the statement is true or false

Physics & Space Science

Latent Heats: When a sample of water at 0.0°C is cooled to -36.0°C and freezes in the process, 935,000 kJ of heat is liberated. What is the mass of this sample of water? For water LF = 334,000 J/kg, LV = 2.256 × 106 J/kg, and the specific heat of ice is 2050 J/kg ? C°.

A. 2290 kg B. 1145 kg C. 2800 kg D. 12,700 kg

Physics & Space Science

An unknown amount of gas is placed in a container with a moveable piston of negligible mass. The cross-sectional area of the container is A. When a mass M is placed on the piston, the height of the piston above the bottom of the container is h

What is the pressure of the gas in the container?

1.Mg 2.MgA 3.MA 4.MA/h 5.Mg/h 6.Mh/A 7.Mg/A 8.M/A 9.None of the above 10.Impossible to determine from the given information.

Physics & Space Science

Which two circuits are exactly equivalent?



a.
A and B

b.
B and C

c.
C and D

d.
D and E

e.
B and E

Physics & Space Science