2 years ago

What is the claim evidence and reasoning, for the top one

1 answer:

7 0

claim cold air weighs more than hot air

reasoning is expt

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Andrew [12]

Answer:

$53 m/s^2$

Explanation:

Unit conversions:

1890 km/h = 1890 km/h * 1000m/km * 1/3600 h/s = 525 m/s

5.2 km = 5200 m

Assume that the jets is traveling in perfect circular motion, we can calculate the centripetal acceleration of the motion:

$a = \frac{v^2}{r}$

where v = 525m/s is the velocity of the jet and r = 5200 is the radius of the arc

$a = \frac{525^2}{5200} = 53m/s^2$

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Norma-Jean [14]

If the boat is i travling at 10 m/s and the river is 8.0 m/s the boats speed is 18.0 m/s

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vampirchik [111]

<span>Two plastic balls suspended by strings are placed close to each other. If they have the same charge then they will repel each other.</span>

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anygoal [31]

I’m pretty sure 14 is mutations

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