A solid sphere rolls without slipping on a rough horizontal floor, moving with a speed \( v \). ...
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1A solid sphere rolls without slipping on a rough horizontal floor, moving with a speed \( v \). It makes an elastic collision
\( \mathrm{P} \) with a smooth vertical wall. After impact
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(1) it will move with a speed \( v \) initially
(2) its motion will be rolling without slipping
(3) its motion will be rolling without slipping initially and its rotational motion will stop momentarily at some instant
(4) its motion will be rolling without slipping only after some time
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