Answer:
(i)
In case the hit is strong enough, the bottom coin moves quickly so that any
horizontal force between it and the above will not move the rest of the pile in
horizontal direction. (1)
(ii) Once the lower coin is removed, the inertia of the remaining coins
makes them fall vertically on the table (1)
You need to login to perform this action.
You will be redirected in
3 sec