A block of mass m is kept in an elevator which starts moving downward from rest with acceleration a₀. The block is observed by observer A inside the elevator and observer B on the ground for a time interval t₀. Continue with the same arrangement.
Physics · Work , Power and Energy · kinetic enegy and work engery theorem
A block of mass m is kept in an elevator which starts moving downward from rest with acceleration a₀. The block is observed by observer A inside the elevator and observer B on the ground for a time interval t₀. Continue with the same arrangement.

Sub-question 1
According to observer A inside the accelerating elevator:
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