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HACTEHA [7]
3 years ago
11

Which of these have a warming effect on earth

Physics
2 answers:
agasfer [191]3 years ago
4 0

Answer:

as snow an dice melt, the underlying surfaces absorb more solar radiation

Explanation:

Ivahew [28]3 years ago
3 0
Wanderers gggghhhhhhh
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A vase falls from a windowsill 50.0 m above the sidewalk. How fast is the base moving when it hits the ground?
scZoUnD [109]

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The answer is A sorry if i'm wrong

Explanation:

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A horse has an acceleration of 2 m/s2. If it starts from rest, how fast is it going after 1.7 seconds?
fgiga [73]

       (2  m/s²)  ·  (1.7  s)  =  3.4 m/s
6 0
3 years ago
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Microphones and loudspeakers are used in an auditorium because the sound waves at the stage compared to the sound waves at the b
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Acoustics (sounds)
Hope the this helps!
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3 years ago
Why is it helpful to study the light that comes off stars?
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6 0
3 years ago
Find the magnitude of the electric field due to a charged ring of radius "a" and total charge "Q", at a point on the ring axis a
34kurt

Answer:

E=\frac{KQ}{2\sqrt 2a^2}

Explanation:

We are given that

Charge on ring= Q

Radius of ring=a

We have to find the magnitude of electric filed on the axis at distance a from the ring's center.

We know that the electric field at distance x from the center of ring of radius R is given by

E=\frac{kQx}{(R^2+x^2)^{\frac{3}{2}}}

Substitute x=a and R=a

Then, we get

E=\frac{KQa}{(a^2+a^2)^{\frac{3}{2}}}

E=\frac{KQa}{(2a^2)^{\frac{3}{2}}}

E=\frac{KQa}{2\sqrt 2a^3}

E=\frac{KQ}{2\sqrt 2a^2}

Where K=9\times 10^9 Nm^2/C^2

Hence, the magnitude of the electric filed due to charged ring on the axis of ring at distance a from the ring's center=\frac{KQ}{2\sqrt 2a^2}

4 0
3 years ago
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