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ser-zykov [4K]
3 years ago
7

A bungee jumper hangs from a bungee cord with zero velocity. If the bungee

Physics
1 answer:
Oksana_A [137]3 years ago
8 0

Answer:

the answer is 14.2 m

Explanation:

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If the ultraviolet photon has a wavelength of 249 nm and one of the photons emitted by the fluorescent material has a wavelength
melamori03 [73]

Answer:

601 nm

Explanation:

Energy of photon having wavelength of λ nm

= \frac{1244}{\lambda}eV

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=\frac{1244}{249}

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6 0
3 years ago
I need to know the solution and the formula.
scoray [572]

<u>Statement</u><u>:</u>

A non-deformed spring is 15 cm long. When a 2.0 N force is applied to it, its length becomes 19 cm.

<u>To </u><u>find </u><u>out:</u>

The spring constant of the spring.

<u>Solution:</u>

  • Force (F) = 2 N

  • Extension of the spring (x)
  • = (19 - 15) cm
  • = 4 cm
  • = 0.04 m [since we have to find the answer in N/m]

  • Let the spring constant of the spring be k.

  • We know, the formula of spring force, i.e.,
  • F = kx

  • Putting the values in the above formula, we get
  • 2 N = k × 0.04 m
  • or, k = 2 N ÷ 0.04 m
  • or, k = 50 N/m

<u>Answer</u><u>:</u>

<u>The </u><u>spring </u><u>constant</u><u> of</u><u> </u><u>this </u><u>spring </u><u>is </u><u>5</u><u>0</u><u> </u><u>N/</u><u>m.</u>

Hope you could understand.

If you have any query, feel free to ask.

7 0
2 years ago
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