Monday

July 28, 2014

July 28, 2014

Posted by **sam** on Sunday, December 23, 2012 at 2:35pm.

- Astronomy -
**drwls**, Tuesday, December 25, 2012 at 9:15amFirst compute the mass of the asteroid from its density and radius,r. Call it m.

m = (4/3)pi*r^3

Then compute E = G*M*m/R, where

R is the radis of the Earth

M is the mass of the Earth

m is the mass of the asteroid

G is Newton's universal constant of gravity

E is the energy of the collision,in Joules, assuming the asteroid approaches from infinity. Convert it to megatons of TNT using the specified conversion factor.

**Related Questions**

Astronomy - 1. Consider an asteroid of radius 2 km and density 2,500 kg/m^3 ...

Astronomy - Consider the same asteroid initially in the asteroid belt at a ...

physics - An asteroid, whose mass is 2.0 10-4 times the mass of Earth, revolves ...

physics - Consider an asteroid with a radius of 15.5 km and a mass of 3.46E+15 ...

Astronomy - The volume of a ball is given in terms of its radius by V=4π3R3...

physics - Evidence suggests that there are trillions of dollars' worth of ...

physics - An asteroid, whose mass is 2.0 10-4 times the mass of Earth, revolves ...

physics - In the early morning hours of June 14, 2002, the Earth had a ...

physics - In the early morning hours of June 14, 2002, the Earth had a ...

physics - In the early morning hours of June 14, 2002, the Earth had a ...