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Naddik [55]
3 years ago
9

A body weighs 63 N on the surface of the earth. What is the gravitational force on it due to the earth at a height of 3200 km fr

om the earth's surface? (Radius of the earth is 6400 km)​
Physics
1 answer:
natali 33 [55]3 years ago
4 0

Answer:

you are kind of better than I am I don't read much but with brainly I will be intelligent

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In the following description, QUOTE the portion that addresses weather in the area.
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A skateboarder rolls off a 2.5 m high bridge into the river. If the skateboarder was originally moving at 7.0 m/s, how much time
saul85 [17]

Answer:

  t = 0.714 s and  x = 5.0 m

Explanation:

This is a projectile throwing exercise, in this case when the skater leaves the bridge he goes with horizontal speed

         vₓ = 7.0 m / s

Let's find the time it takes to get to the river

         y = y₀ + v_{oy} t - ½ g t²

the initial vertical speed is zero and when it reaches the river its height is zero

        0 = y₀ + 0 - ½ g t²

        t = \sqrt{\frac{2y_o}{g}  }

        t = ra 2 2.5 / 9.8

        t = 0.714 s

the distance traveled is

       x = vₓ t

       x = 7.0 0.714

       x = 5.0 m

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Animals are classifield as two main groups in the animal kingdom : Vertebrates and invertebrates .

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