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Physics

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lutik1710 [3]2 years ago

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Follow you uh sure alright then

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You go outside on a bright, warm day, How can you tell that you are absorbing radiant energy from the sun?

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you start sweating and it would get hot

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2 years ago

A 5 kg mass is oscillating on a spring with a time period of 2.8 seconds. What is the spring constant k of the spring?

katrin [286]

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Explanation:

<u>Simple Harmonic Oscillator</u>

It consists of a weight attached to one end of a spring being allowed to move forth and back.

If m is the mass of the weight and k is the constant of the spring, the period of the oscillation is given by:

$\displaystyle T=2\pi {\sqrt {\frac {m}{k}}}$

If the period is known, we can find the value of the constant by solving for k:

$\displaystyle k=m\left(\frac{2\pi}{T}\right)^2$

Substituting the given values m=5 Kg and T=2.8 seconds:

$\displaystyle k=5 \left(\frac{2\pi}{2.8}\right)^2$

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3 years ago

There is friction between the block and the

Norma-Jean [14]

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5 no

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actually the 4kg lying on table has no influence

it slides towards 4kg weight hung

as it has excess 2kg force

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3 years ago

4.0 J of work are performed in stretching a spring with a spring constant of 2500 N/m. How much is the spring stretched?

earnstyle [38]

$energy = elastic \: potential$

$4 = \frac{1}{2} kx {}^{2}$

$4 = \frac{1}{2} (2500)x {}^{2}$

$4 = 1250x {}^{2}$

$x {}^{2} = \frac{4}{1250} = 0.0032 \: meters$

$x = \sqrt{0.0032} = 0.05657 \: meters$

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2 years ago

What is conduction? Please help. First answer will mark Brainliest

Kruka [31]

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Conduction is the main method of thermal energy transfer in solids.

Hope this helps.....

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3 years ago

Read 2 more answers

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