A Piano Wire Has a Length of 81 Cm and a Mass

question 53

Multiple Choice

A piano wire has a length of 81 cm and a mass of 2.0 g. If its fundamental frequency is to be 394 Hz, it tension must be:

• A) 0.32 N
• B) 63 N
• C) 130 N
• D) 250 N
• E) none of these

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Definitions:

ATP Molecules

Adenosine triphosphate molecules, which are the primary energy carrier in all living organisms, providing energy for cellular processes.

CAM Plants

Plants using Crassulacean Acid Metabolism, a photosynthetic pathway that conserves water by opening stomata at night.

Calvin-Benson Cycle

A series of biochemical redox reactions taking place in the stroma of chloroplasts in photosynthetic organisms, crucial in fixing carbon from CO2 into organic compounds.

Autotrophs

Organisms that produce their own food from inorganic substances using light or chemical energy, with plants being the most common examples.