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3 years ago

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You are on a ParKour course. First you climb a angled wall up 9.5 meters. They you shimmy along the edge of a 3.5 meter long wal

k. Lastly you traverse 15 meters of obstacles to reach the end of the course. The trip takes 43 seconds . What is your average speed?

1 answer:

balu736 [363]3 years ago

5 0

1.53 meters per second

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Answer:

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Assuming the friction between the skaters and the ice is negligible, the magnitude of Porsha's acceleration is 2.8m/s².

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Given the data in the question;

Mass of Porsha; $m_{porsha} = 60kg$

Mass of Zorn; $m_{zorn} = 40kg$

Force of Porsha push; $F_{porsha} = 168N$

Magnitude of Porsha's acceleration; $a = \ ?$

To determine the magnitude of Porsha's acceleration, we use Newton's second laws of motion:

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Where m is the mass of the object and a is the acceleration.

We substitute the mass of Porsha and the force he used into the equation

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Therefore, assuming the friction between the skaters and the ice is negligible, the magnitude of Porsha's acceleration is 2.8m/s².

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