Question
Asked Feb 10, 2020
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A flea jumps by exerting a force of 1.20×10−5N straight down on the ground. A breeze blowing on the flea parallel to the ground exerts a force of 0.500×10−6N on the flea. Find the direction and magnitude of the acceleration of the flea if its mass is 6.00×10−7kg. Do not neglect the gravitational force.

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Expert Answer

Step 1

According to the Newton’s second law, the net force acted on the flea is,

Physics homework question answer, step 1, image 1

Substitute the values, to find the acceleration of the flea.

Physics homework question answer, step 1, image 2

Step 2

The magnitude of the acceleration is,

Physics homework question answer, step 2, image 1

The direction of the acceleration is,

Physics homework question answer, step 2, image 2

...

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