The figure shows a bead sliding without friction along a curved wire in a vertic

Question

The figure shows a bead sliding without friction along a curved wire in a vertical plane.

The bead starts from rest at position H. The direction of the gravitational field is in the y direction (toward the bottom of the page), the x direction is to the right. Complete the statements below (select from G - Greater than, L - Less than, E - Equal to) or enter T - True, F - False, if appropriate. E.g., if the first is T, the second G, and the rest F, enter TGFFFF.

The velocity at D equals the velocity at C.

The speed at A is ____ the speed at D.

The speed at D is ____ the speed at C.

The acceleration at D is zero.

The acceleration in the y direction at A is ____ zero.

The acceleration in the x direction at A is ____ zero.

Explanation / Answer

T

G, because at A it has more KE and at D it has more PE

E, because D and C have the same height

F,

E,

E

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