- #1

wywong

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2. When an object of mass m falls into a black hole of mass M, the mass of the black hole will become M+m, right?

My problem is that the object's mass increases with its speed and approaches infinity near the event horizon. Theoretically its mass can exceed M+m just before it reaches the event horizon, right? To me, that doesn't add up.

Thanks in advance!

Wai Wong