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Fittoniya [83]
3 years ago
11

How does chemical energy cause a change? What about electromagnetic energy?

Physics
1 answer:
Ksju [112]3 years ago
7 0

Answer:

how does chemical energy cause a change?:

Chemical reactions often involve changes in energy due to the breaking and formation of bonds. Reactions in which energy is released are exothermic reactions, while those that take in heat energy are endothermic.

What about electromagnetic energy?:

Electromagnetic radiation is made when an atom absorbs energy. The absorbed energy causes one or more electrons to change their locale within the atom. Depending on the kind of atom and the amount of energy, this electromagnetic radiation can take the form of heat, light, ultraviolet, or other electromagnetic waves.

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A gymnast does a one-arm handstand. The humerus, which is the upper arm bone between the elbow and the shoulder joint, may be ap
igor_vitrenko [27]

Answer:

                  = 5.241 \times 10^{-5} m

Explanation:

Given:

 Length of cylinder is, L = 0.27 m

Outer radius of cylinder is, r_out = 1.12×10^{-2} m

Inner radius of cylinder is, r_in = 3.9×10^{-3} m

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(a)

     Compressional strain of humerous is,

Strain = \frac{Stress}{Young's\ modulus}

     \frac{\Delta L}{L_0}   = \frac{\frac{F}{A}}{Y}

                  = \frac{(mg)}{\pi(r_out^2 - r_in^2  )Y}

                  = \frac{(60 kg)(9.8 m/s2 )}{(\pi)[( 1.12\times 10^{-2})^2 - (3.9\times 10^{-3} m)^2] (9.4\times 10^9 N/m2 )}[tex]                   [tex]= 1.80\times 10^{-4} m

(b)  Let assume that humerous is compressed by ΔL

       Since,   strain = ΔL/L0

      (1.80 \times 10^{-4} m) = ΔL / 0.29 m

     Thus,

           ΔL = (4.56 \times 10^{-4} m)(0.29 m)

                  = 5.241 \times 10^{-5} m

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What is a real-life example of destructive interference of light?
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If you throw an apple towards the sky why its going up in spite of gravitational pull? .
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Answer:

due to tension force acting against gravitational pull

Explanation:

hope this somewhat helps :)

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3 years ago
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