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A 75 kg skier skis down a 20 degree slope. There is frictional force of 115 N and air resistance of 85 N. What is the resultant force working on the skier?
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Question: Resistivity measurements on the leaves of corn plants are a good way to assess stress and overall health. The leaf of a corn plant has a resistance of 2.3 MΩ measured between two electrodes placed 20 cm apart ...
A woman wishing to know the height of a mountain measures the angle of elevation of the mountaintop as 12°. After walking 1.23 km closer to the mountain on level ground, she finds the angle to be 15.8°. Find the height o ...
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