A Rubber Ball Is Held 4

question 14

Multiple Choice

A rubber ball is held 4.0 m above a concave spherical mirror with a radius of curvature of 1.5 m.At time equals zero,the ball is dropped from rest and falls along the principal axis of the mirror.How much time elapses before the ball and its image are at the same location?

• A)0.30 s
• B)0.55 s
• C)0.63 s
• D)0.71 s
• E)0.90 s

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