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Mandarinka [93]
3 years ago
9

Which of the following describes an electric fan?

Physics
1 answer:
asambeis [7]3 years ago
8 0
Simple machine is the answer
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If a 500kg elephant is sliding across a frictionless patch of ice, how much force is needed to keep the elephant from slowing do
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Answer:

<h3>4905N</h3>

Explanation:

The force needed to keep the elephant from slowing down is expressed as shown according to Newtons second law of motion.

Force = mass * acceleration due to gravity

Given

Mass of elephant = 500kg

acceleration due to gravity = 9.81m/s²

Force = 500*9.81

Force = 4905N

<em>Hence the force needed to keep the elephant from slowing down is 4905N</em>

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