3. Electrons got ejected out as if they were ping pong balls by the light particle (photon). Electrons were not moving initially. Then, it was moving later because of the light.
a. What is the momentum of the electron initially (p=mv) Hint: Is it moving initially?

gans

explanation:

vestigial organs (like your appendix) are organs that no longer serve a purpose.

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6. there appears a option 'prefernces' and at that option at the right side , 'edit' is written.

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hope this u

and ur welcm

: )

be subject to a force andchange its motion

the answer is b, have negligible mass