Escape velocity

Learn about escape velocity in physics. Get the escape velocity definition and formula and see the speeds for the Earth, Moon, and planets.

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'Freethinkers Event Horizon & Schwarzschild Radius The event horizon of a black hole marks the dark region in space where the escape velocity is higher than the speed of light. This region is typically considered the “black hole”. Nothing can escape it, both photons and matter is inevitably pulled into the singularity. The distance from the singularity to the event horizon is also known as the Schwarzschild radius,'

We are informed that Apollo 11 stage 3 rocket propelled the stage 3 section up to escape velocity of 25,000 mph. On approaching our non atmosphere moon how did they slow the lander down once disengaged from the command module? It would be travelling at 14.7 times faster than an average bullet of 1700 mph. The tin foil lunar module would have to slow down by itself? How? The tin foil lunar module then needs sufficient fuel to propel it back up to 25,000 mph (probably faster to catch up)

Velocity Formula is the rate of change in displacement with respect to time. Velocity Formula V = s/t, here s=speed, t= time, and v=velocity. Check here.

2WEI - Escape Velocity

Learn how to calculate escape velocity.