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Lady_Fox [76]
3 years ago
14

Don’t get it hsnnakslldioksksk

Physics
1 answer:
bogdanovich [222]3 years ago
7 0

Answer:

D. momentum

Explanation:

Momentum is the product of velocity and mass which is the two variables the paragraph talked about.

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2

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100 POINTS and BRAINLIEST to best answer please help ASAP!
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An object is moving forward and then gets knocked sideways, what is this force called?
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A bicycle rider has a speed of 20.0 m/s at a height of 60 m above sea level when he begins coasting down hill. Sea level is the
IRINA_888 [86]

Answer:

The rider's speed will be approximately 35 m/s

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Initially the rider has kinetic and potential energy, and after going down the hill, some of the potencial energy turns into kinetic energy. So using the conservation of energy, we have that:

kinetic_1 + potencial_1 = kinetic_2 + potencial_2

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kinetic = mass * speed^2 / 2

potencial = mass * gravity * height

So we have that:

m*v^2/2 + mgh = m*v'^2/2 + mgh'

20^2/2 + 9.81*60 = v'^2/2 + 9.81*18

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v' = 34.99\ m/s

So the rider's speed will be approximately 35 m/s

8 0
3 years ago
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