: you need 4km/s to match the energy delivered by TNT at rest.
So orbital velocity is ~ 8 Km/sec which squares the energy. So 1000 tons of
iron, or whatever, becomes 4KT of TNT with extreme penetrating power.
Ken
On Tue, Oct 5, 2021 at 1:10 AM Uwe Klein <uwe@xxxxxxxxxxxxxxxxxxx> wrote:
Am 04.10.21 um 07:39 schrieb roxanna Mason:
This reminds me of Bob Truax's non nuclear ICBM proposal. A giant/heavy
chunk of inert mass like iron or even concrete at orbital velocity has
the kinetic energy of a nuclear weapon
afair: you need 4km/s to match the energy delivered by TNT at rest.
Uwe