A block starts from rest and slides without friction along the surface of a hemi

Question

A block starts from rest and slides without friction along the surface of a hemisphere of radius R = 1.60 m. As the block slides, eventually it loses contact with the hemisphere.

Select all the statements that are correct; e.g., if A and D are correct and the rest are incorrect, enter AD. If none are correct, enter N.

A block starts from rest and slides without friction along the surface of a hemisphere of radius R = 1.60 m. As the block slides, eventually it loses contact with the hemisphere. Select all the statements that are correct; e.g., if A and D are correct and the rest are incorrect, enter AD. If none are correct, enter N. The kinetic energy of the block equals its potential energy. At the moment the block leaves the surface, its acceleration is parallel to its velocity. While the block slides along the surface of the hemisphere, its acceleration only has a component parallel to its velocity. Before the block leaves the surface of the hemisphere, the only force that acts on it is gravity. As the block slides downward, the magnitude of the normal force on the block decreases.

Explanation / Answer

6 only statement 6 is correct

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