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r-ruslan [8.4K]

2 years ago

11

Which medium below conducts sound the fastest?

2 answers:

kumpel [21]2 years ago

4 0

Which medium below conducts sound the fastest?

A. a wall

<u>B. Steel </u>

C. Plastic

D. Cardboard

Karo-lina-s [1.5K]2 years ago

4 0

B. STEEL

Is the answer

Have a nice day <3

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Three collinear forces,F1=45N west,F2=63N east and an unknown force F3 are applied to an object.The resultant force of the three

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Take east to be the positive direction. Then the resultant force from adding <em>F</em>₁ and <em>F</em>₂ is

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A ball is projected horizontally from the top of a bertical building 25.0m above the ground level with an initial velocity of 8.

kirill115 [55]

Answer:

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= $\sqrt{\frac{2*25}{9.8}}$
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b. How far from the building does the ball strike the ground?

<u>H</u><u>o</u><u>r</u><u>i</u><u>z</u><u>o</u><u>n</u><u>t</u><u>a</u><u>l</u><u> </u>range=?

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2 years ago

The maximum wavelength For photoelectric emissions in tungsten is 230 nm. What wavelength of light must be use in order for elec

notka56 [123]

Answer:

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h = Plank's Constant = 6.626 x 10⁻³⁴ J.s

c = speed of light = 3 x 10⁸ m/s

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Energy of Photon = ∅ + K.E

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