Question: A hammer is hanging by a light rope from the ceiling of a bus. The ceiling of the bus is parallel to the roadway. The

A hammer is hanging by a light rope from the ceiling of a bus. The ceiling of the bus is parallel to the roadway. The bus is traveling in a straight line on a horizontal street. You observe that the hammer hangs at rest with respect to the bus when the angle between the rope and the ceiling of the bus is 67^o. What is the acceleration of the bus?

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