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maw [93]
3 years ago
14

Find the radius to which the sun must be compressed for it to become a black hole.

Physics
1 answer:
timofeeve [1]3 years ago
7 0

Answer:

2950 m

Explanation:

The radius to which the sun must be compressed to become a black hole is equal to the Schwarzschild radius, defined as:

R=\frac{2GM}{c^2}

where

G is the gravitational constant

M is the of the sun

c is the speed of light

The mass of the sun is

M=1.99\cdot 10^{30}kg

So, if we substitute the values of the other constants inside the formula, we find the value of the Schwarzschild radius for the sun:

R=\frac{2(6.67\cdot 10^{-11} m^3 kg^{-1}s^{-2})(1.99\cdot 10^{30} kg)}{(3\cdot 10^8 m/s)^2}=2950 m

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Whitch tool could be used to mesure the mass of. a package being mailed​
Ivenika [448]

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Calculate the average induced voltage between the tips of the wings of an airplane flying above East Lansing at a speed of 885 k
Yakvenalex [24]

Answer:

=0.855V

Explanation:

The induced voltage can be calculated using below expression

E =B x dA/dt

Where dA/dt = area

B= magnetic field = 6.90×10-5 T.

We were given speed of 885 km/h but we will need to convert to m/s for consistency of unit

speed = 885 km/h

speed = 885 x 10^3 m/hr

speed = 885 x 10^3/60 x60 m/s

speed = 245.8 m/s

If The aircraft wing sweep out" an area

at t= 50.4seconds then we have;

dA/dt = 50.4 x 245.8

= 123388.32m^2/s

Then from the expression above

E =B x dA/dt substitute the values of each parameters, we have

E = 6.90 x 10^-5 x 12388.32 V

E =0.855V

Hence, the average induced voltage between the tips of the wings is =0.855V

6 0
3 years ago
A net force of 10.N accelerates an object at 5.0 m/s^2. What net force would be required to accelerate the same object at 1.0 m/
Leokris [45]

Answer:

I believe the answer is 2.0

Explanation:

4 0
3 years ago
The solar system is of largely uniform composition. (T/F)
vaieri [72.5K]

Answer:

False

Explanation:

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3 years ago
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