The escape velocity inside a black hole is

A. half the speed of light.
B. infinity.
C. greater than the speed of light.
D. zero.
E. unknown.


Answer: C

Physics & Space Science

You might also like to view...

Two masses are connected by a string which passes over a pulley with negligible mass and friction. One mass hangs vertically and one mass slides on a 30.0 degrees frictionless incline. The vertically hanging mass is 4.0 kg and the mass on the incline is 6.00 kg. The acceleration of the 4.00 kg mass is



A. 0.980
B. 3.92
C. 5.75
D. 6.86
E. 7.84

Physics & Space Science

Consider a car with its wheels rolling (not sliding) on the road. How fast must the auto move for some point on a wheel to reach the speed of sound? Explain

What will be an ideal response?

Physics & Space Science

A solution with a pH of 8 is

a. strongly acidic. b. weakly basic. c. strongly basic. d. weakly acidic.

Physics & Space Science

The inductive reactance of an inductor is higher at low frequencies

Indicate whether the statement is true or false

Physics & Space Science