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ryzh [129]
3 years ago
8

A bike rider was moving to the right at a constant speed. Suddenly the wind then starts blowing against her with 3 N of force to

the left. What is happening the moment the wind starts blowing? A. The bike rider will start to speed up B. The bike rider will continue at a constant speed C. The bike rider instantly start moving will get blown back to the left. D. The bike rider will begin to slow down
Physics
1 answer:
stiks02 [169]3 years ago
8 0

Answer:

The correct option is D

Explanation:

This question can be better understood when discussed using the Newton's first law of motion which states that an object would continue to move with a uniform speed (in a straight line) unless acted upon by an external force. What happens here (in the question) is that the bike rider would have continued moving at a constant speed (to the right) if not for the opposing force of the wind that acted against her (to the left). <u>This wind/force would cause her speed to reduce or slow down (as posited by the law)</u>.

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If Scobie could drive a Jetson's flying car at a constant speed of 160.0 km/hr across oceans and space, approximately how long w
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Scobie will take 10 days to drive around Earth's equator.

To calculate the time that takes Scobie to drive around Earth's equator we need to find the distance, which is given by the equation of a circumference:

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Then, the distance is:

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Now, if we divide the above distance by the speed of the car we can find the time:

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Therefore, Scobie will take 10 days to drive around Earth's equator.

     

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Mathematically;.

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For Case 1:

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For Case 2:

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  • Md = (1/3)Mc

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  • D(c) = D(d).

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8 0
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