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m_a_m_a [10]
3 years ago
12

Which are dangerous places to put a flammable substance? Check all that apply.

Physics
1 answer:
Murrr4er [49]3 years ago
7 0

Answer:

near a flame and a hot plate

Explanation:

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A block of 1 kg with a speed 1 m/s hits a spring placed horizontally as shown in the figure. If spring constant is 1000 N/m, fin
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Answer:

0.0316 m

Explanation:

Wok done = Energy change

Work done on the spring = Energy change of the block

  Elastic Potential stored = Kinetic energy of the block

\frac{1}{2} kx^{2} = \frac{1}{2} mv^{2}

                              x = \sqrt{v^{2}\frac{m}{k}  }

                              x = \sqrt{1^{2}\frac{1}{1000}  }

                              x = 0.0316 m

k = spring constant

m = mass of block

v = velocity of the block

x = compression of spring

8 0
3 years ago
. The naturally occurring charge on the ground on a fine day out in the open country is –1.00nC/m2 . (a) What is the electric fi
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Answer:

a) -113 N/C

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Explanation:

The Step by step explanation and solution has been attached in the attachment section.

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What happens when a substance undergoes a physical change?
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