Question

These is the photos
A student pasted the following emojis on either side of
the cardboard.
a. What will the student observe if the cardboard is
flipped at greater speed?
b. What is this phenomenon called?
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Answer 1

A momentary force acts on the card when it is flicked with fingers which causes it to move away. But the coin placed on it is bot does not share the motion at once and continues to stay at rest which is attributed to inertia of rest. Eventually, the coin falls down into the tumbler due to the gravitational pull.

Answer 2

Answer:

My was the same and but he gave