Question

Explain fhe motion of coin kept on the thick paper

Answer 1

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The coin has inertia, meaning it really wants to stay in one place. If you move the card slowly, it isn't fast enough to overcome that force. If you flick it quickly, the coin stays in one place and then drops into the cup.

Answer 2

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Explanation:

• Lay the card on top of the glass. Have one edge of the card a little beyond the rim so you can give that edge a good flick without smacking your fingertip on the glass.

• Place a penny on top of the card so it’s centered over the glass.

• Use a finger to flick an edge of the notecard. You want to flick the card directly from the side. (Don’t flick it downwards or upwards by hitting from above or below the card.)

• Watch the penny drop straight into the glass!

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