A 71-Kg Man Is Standing in a 25-Kg Boat

question 24

Multiple Choice

A 71-kg man is standing in a 25-kg boat.The man steps to the right thinking he is stepping out onto the dock.However,the following will actually happen (ignore the friction of the water or air on the boat or the man) :

• A) The man only moves a short distance to the right while the boat moves a larger distance to the left.
• B) The man only moves a short distance to the left while the boat moves a larger distance to the right.
• C) The man actually stays still while the boat moves toward the left.
• D) The boat doesn't move and the man moves to the right.
• E) ​None of the above.

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Definitions:

Phosphate Group

A chemical group consisting of phosphorus bonded to four oxygen atoms, important in energy transfer.

Photorespiration

A process in plant metabolism where the enzyme RuBisCO oxygenates RuBP, wasting energy and reducing photosynthetic efficiency under certain conditions.

C3

A pathway in photosynthesis where the fixation of carbon dioxide produces a three-carbon compound as the first stable product.

C4

A photosynthetic pathway that efficiently fixes carbon dioxide in plants exposed to high light intensity and temperature, found in many grasses and crops.