Question: Two hydrogen atoms collide head - on . The collision brings both atoms to a halt. Immediately after the collision, both atoms emit a 1

Two hydrogen atoms collide head

-

.

The collision brings both atoms to a halt. Immediately after the collision, both atoms emit a

121.6

nmnm photon.

Part A

What was the speed of each atom just before the collision?

Express your answer with the appropriate units.

Activate to select the appropriates template from the following choices. Operate up and down arrow for selection and press enter to choose the input value typeActivate to select the appropriates symbol from the following choices. Operate up and down arrow for selection and press enter to choose the input value type

=

9.79 10 18

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