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Oxana [17]
3 years ago
8

ANSWER ASAP

Physics
2 answers:
Temka [501]3 years ago
8 0
5.6 g/ml is the answer
shtirl [24]3 years ago
5 0
5.6 g/ml. That is the density.
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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

         vₓ = 7.0 m / s

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

        t = 0.714 s

the distance traveled is

       x = vₓ t

       x = 7.0 0.714

       x = 5.0 m

3 0
3 years ago
Help me :DD i will mark u brainlist and u will get points and a thank u
Whitepunk [10]

Answer:

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4 0
2 years ago
What is the energy of moving electrical charges
Simora [160]
The energy of moving electrical charges is Electrical energy



Hope its the answer you are finding and hope it helps....
3 0
2 years ago
All waves must ____ have to travel through
babunello [35]
<h2>All waves must ____ have to travel through </h2>

Explanation:

Wave

It is the periodic disturbance in a medium.

Types of Wave

There are two types of wave in general depending upon their propagation through a substance.

• Mechanical  

• Electromagnetic  

Mechanical Wave

It is the kind of wave which needs medium to travel. For example: Sound Wave  

That means sound can be heard only whenever there is presence of certain substance like water, glass, air etc .It can’t be heard in vacuum no matter how loud is the sound.

Electromagnetic Wave

Is that which can travel through medium as well as through vacuum. For example: Light  

But unlike sound, light can be seen through a substance or in vacuum. That is the reason it is referred as electromagnetic wave.

6 0
2 years ago
P= F/A make a the subject
lawyer [7]

Answer:

a=f/p

Explanation:

p=f/a

f=p×a

this all

4 0
2 years ago
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