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Digiron [165]
3 years ago
8

As a hurricane passes overhead and the heavy wind and rain have stopped, it may suddenly become calm. Why is it a bad idea to as

sume that the danger has passed?
Physics
2 answers:
egoroff_w [7]3 years ago
6 0
It would be dangerous to assume that the danger has passed if you are under these conditions because "The Eye of The Storm" Is the center of a hurricane and if you were to be in it, everything would seem calm and safe, but the Eye continues to move so you will not be in this 'safe' position for long.

Sorry for taking so long. Hope that helped :)
RoseWind [281]3 years ago
4 0
Because you're in the eye of the storm.
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A 12.0-g bullet is fired horizontally into a 109-g wooden block that is initially at rest on a frictionless horizontal surface a
kykrilka [37]

Answer:

v₀ = 280.6 m / s

Explanation:

we have the shock between the bullet and the block that we can work with at the moment and another part where the assembly (bullet + block) compresses a spring, which we can work with mechanical energy,

We write the mechanical energy when the shock has passed the bodies

   Em₀ = K = ½ (m + M) v²

We write the mechanical energy when the spring is in maximum compression

Em_{f} = K_{e} \\= \frac{1}{2} kx^2\\    Em_0 = Em_{f}

½ (m + M) v² = ½ k x²

Let's calculate the system speed

   v = √ [k x² / (m + M)]

   v = √[152 ×0.78² / (0.012 +0.109) ]

   v = 27.65 m / s

This is the speed of the bullet + Block system

Now let's use the moment to solve the shock

Before the crash

   p₀ = m v₀

After the crash

p_{f} = (m + M) v

The system is formed by the bullet and block assembly, so the forces during the crash are internal and the moment is preserved

 p_0 =  p_{f}

  m v₀ = (m + M) v

  v₀ = v (m + M) / m

let's calculate

v₀ = 27.83 (0.012 +0.109) /0.012

  v₀ = 280.6 m / s

4 0
3 years ago
What is a Non-Example of Newton's 1st law?
guajiro [1.7K]

Answer:

Say a 14 year old girl was at a construction site and she was asked to move something like a 10,000 pound brick( one brick). She would be acting on it as the unbalanced force but they would still not change their position.

so to say the girl would be doing everything she could to move that brick but the brick would still be in that same spot so the unbalanced force (the girl) would be acting on the thing that was at rest but it wouldn't move.

so the unbalanced force would not really be acting on the thing at rest; even though the unbalanced force was doing something to the brick.

( just think about it and you will eventually get it...just imagine in your head...)

Explanation:

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2 years ago
As a result of fringing effect :
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i thinks answers is gap relutance increases linearly with magnetic density

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Um student a because they were there a few seconds ahead
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3 years ago
In three sentences, please describe SIMPLE HARMONIC motion, and give two examples. Thank you! :-)
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