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Arte-miy333 [17]
3 years ago
15

Someone please help on this

Physics
2 answers:
liq [111]3 years ago
5 0
I think it is A. Newton's first law being an object in motion stays in motion unless acted upon by another force
blsea [12.9K]3 years ago
3 0

First


Norton's first law basically says an object will stay the same unless another force acts upon it.

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When a solid uniform sphere is spinning about an axis of rotation through its center, its rotational kinetic energy is K and mom
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Explanation:

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What Molecules can be found in the interstellar medium? A. Water, Carbon dioxide, and Hydrogen. B. Oxygen, Nitrogen and ammonia.
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3 0
3 years ago
A volcano erupts and launches a chunk of hot magma horizontally with a speed of 252 m/s. The magma travels a horizontal distance
ArbitrLikvidat [17]

Answer:

The value is v_y  =  -48.61 \ m/s

Explanation:

From the question we are told that

   The horizontal speed is  u_x  = 252 \  m/s

    The horizontal distance is  d = 1250 \ m

Generally the time taken by the hot magma in air before landing is mathematically represented as

       t = \frac{d}{u_x}

=>    t = \frac{ 1250 }{252}

=>    t = 4.96 \  s

Generally the initial vertical velocity of the magma when it was lunched is  

    u_y = 0 \ m/ s

Then the final velocity of the magma when it hits the ground is mathematically represented s

       - v_y  =  u_y + gt

Here the negative sign mean that the direction of the velocity is towards the negative y -axis

So  

        - v_y  =  48.61 \ m/s

=>     v_y  =  -48.61 \ m/s

7 0
2 years ago
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