Find what is the radius of a black hole

Reference no: EM13511413

The radius of a black hole is the distance from the black hole's center at which the escape speed is the speed of light.

(a) What is the radius of a black hole with a mass five times that of the Sun? (The mass of the Sun is 1.9891 1030 kg.)

(b) At what radius from the center of the black hole in part (a) would the orbital speed be equal to the speed of light?

(c) What is the radius of a black hole with the same mass as that of the Earth (The mass of the Earth is 5.9742 1024 kg.)?

Reference no: EM13511413

Questions Cloud

Explain the integers a b c and d in the empirical formula : The products were collected and had the following masses: CO2: 1.707 g N2: 0.136 g H2O: 0.7859 g For this compound (CaHbOcNd) what are the integers a,b,c and d in the empirical formula

Prepare the journal entry to record the sale and settlement : On February 9 Ernst gave Gonzalez Co. a 7% promissory note in settlement of this account. Prepare the journal entry to record the sale and the settlement of the accounts receivable.

Obtain how much work must be done to move the satellite : A 192-kg satellite is in circular orbit around the Earth and moving at a speed of 4.55 km/s. How much work must be done to move the satellite into another circular orbit

Find out the energy output for e-85 and gasoline : Using (and citing) appropriate sources, determine the energy output for E-85 (ethanol) and gasoline (octane) on a) a per mole basis

Find what is the radius of a black hole : The radius of a black hole is the distance from the black hole's center at which the escape speed is the speed of light. What is the radius of a black hole with the same mass as that of the Earth

Use the gross method of accounting for sales discounts : Make all journal entries necessary to record both the sales and the cash collections. Use the gross method of accounting for sales discounts.

Define it is difficult to separate the materials in mixture : If two different substances have the same or nearly the same Rf values, it is difficult to separate these materials in a mixture. How could this experiment be changed to separate such a mixture

Discuss practical challenges facing members of defense : Balancing family demands, law practice viability, personal integrity and professionalism. - Zealously advocating for rights of the accused, protecting the truly innocent, and ensuring equal justice for the guilty.

What is the average collection period in days : What is the amount of its net credit sales for the period? What is the average collection period in days?

User Account

All Pages