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Elden [556K]
3 years ago
6

A dog runs to chase a ball. He travels 6m in 3.2 seconds. How fast is the dog running?

Physics
1 answer:
Artyom0805 [142]3 years ago
4 0
So v=d/s so the answer is 6/3.2 so the answer is 1.87m/s
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Which pair of triangles can be proven congruent by the hl theorem?
hoa [83]

The pairs of triangles that can be proven congruent by the hl theorem is the right angled triangle.

<h3>What is mearnt be the HL theorm?</h3>

The HL theorem is also known as the Hypothenus Leg theorem, it states that "the hypotenuse and leg of one right triangle are congruent to the hypotenuse and leg of another right triangle, then the two triangles are congruent."

Learn more about the postulates of the HL theorem here:

brainly.com/question/25922842

4 0
2 years ago
A skateboarder rolls off a 2.5 m high bridge into the river. If the skateboarder was originally moving at 7.0 m/s, how much time
saul85 [17]

Answer:

  t = 0.714 s and  x = 5.0 m

Explanation:

This is a projectile throwing exercise, in this case when the skater leaves the bridge he goes with horizontal speed

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Let's find the time it takes to get to the river

         y = y₀ + v_{oy} t - ½ g t²

the initial vertical speed is zero and when it reaches the river its height is zero

        0 = y₀ + 0 - ½ g t²

        t = \sqrt{\frac{2y_o}{g}  }

        t = ra 2 2.5 / 9.8

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the distance traveled is

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3 0
3 years ago
Which wavelength produces fluorescence? Why do you think this wavelength produces fluorescence while the other does not?
Maurinko [17]

Answer:

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Fluorescence produced is always directed towards longer wavelengths of the spectra as compared to the corresponding spectra for absorption.

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So in short, the answer is D.

(My answer got deleted because it didnt explain which is dumb)

8 0
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Basile [38]

Answer:

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