The Schwarzschild radius is the distance from an object at which the escape velocity is equal to the speed of light. A black hole is an object that is smaller than its Schwarzschild radius, so not even light itself can escape a black hole. The Schwarzschild radius r depends on the mass m of the black hole according to the equation (See image.) where G = 6.673 × 10-11 (Nm2)/(kg2) is the gravitational constant and c = 2.998 × 108 m/s is the speed of light.

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The Schwarzschild radius is the distance from an object at which the escape velocity is equal to the speed of light. A black hole is an object that is smaller than its Schwarzschild radius, so not even light itself can escape a black hole. The Schwarzschild radius r depends on the mass m of the black hole according to the equation

(See image.)

where G = 6.673 × 10-11 (Nm2)/(kg2) is the gravitational constant and c = 2.998 × 108 m/s is the speed of light.

 

1. Consider a black hole with a mass of 3.70 × 107M.. Use the given equation to find the Schwarzschild radius for this black hole. Remember that 1 M = 1.989 × 1030 kg and 1 N = 1 kg * m/s2

 

2. What is this radius in units of the solar radius? Remember that 1 R = 6.955 × 108 m.

The Schwarzschild radius is the distance from an object at which the escape velocity is equal to the speed of light. A black hole
is an object that is smaller than its Schwarzschild radius, so not even light itself can escape a black hole. The Schwarzschild
radius r depends on the mass m of the black hole according to the equation
where G =
r =
1 N
=
2Gm
c²
Consider a black hole with a mass of 3.70 × 10¹M. Use the
given equation to find the Schwarzschild radius for this black
hole. Remember that 1 Mo = 1.989 × 10³0 kg and
6.673 × 10-¹¹ N·m²/ kg² is the gravitational constant and c = 2.998 × 108 m/s is the speed of light.
1 kg. m/s²
What is this radius in units of the solar radius? Remember
that 1 Ro
6.955 × 108 m.
Schwarzschild radius:
radius:
m
Ro
Transcribed Image Text:The Schwarzschild radius is the distance from an object at which the escape velocity is equal to the speed of light. A black hole is an object that is smaller than its Schwarzschild radius, so not even light itself can escape a black hole. The Schwarzschild radius r depends on the mass m of the black hole according to the equation where G = r = 1 N = 2Gm c² Consider a black hole with a mass of 3.70 × 10¹M. Use the given equation to find the Schwarzschild radius for this black hole. Remember that 1 Mo = 1.989 × 10³0 kg and 6.673 × 10-¹¹ N·m²/ kg² is the gravitational constant and c = 2.998 × 108 m/s is the speed of light. 1 kg. m/s² What is this radius in units of the solar radius? Remember that 1 Ro 6.955 × 108 m. Schwarzschild radius: radius: m Ro
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