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Amiraneli [1.4K]
3 years ago
14

What device is used to measure the current in a circuit

Physics
1 answer:
Natalka [10]3 years ago
8 0
The device is called the ammeter 
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A simple machine makes our work easier and faster. why?​
kirill [66]

Answer:

simple machines such as ramps lessen the moment required to do work. if a triangle has a base of 5 and the height  is 7, a ramp would make the hypotenuse of this triangle lessoning the total distance. using a²+b²=c² 25+49=c² 74≈8.6 and it is obvious that 8.6 is less than 12 in every unit. other simple machines such as pulleys make it lighter making it simply easier for an object to be lifted.

Explanation:

4 0
3 years ago
Read 2 more answers
Un avión de rescate en Alaska deja caer un paquete de provisiones a un grupo de exploradores extraviados. Si el avión viaja hori
posledela

Answer:

180.4 m

Explanation:

The package in relation to the point where it was released falls a certain distance that is calculated by applying the horizontal motion formulas , as the horizontal speed of the plane and the height above the ground are known, the time that It takes the package to reach its destination and then the horizontal distance (x) is calculated from where it was dropped, as follows:    

$V_{ox}=v_x = 40 \ m/s$

   h = 100 m  

    x =?

     Height formula h:

     $h=g \times \frac{t^2}{2}$

      Time t is cleared:

     $t = \sqrt{\frac{2h}{g}}$

      $t = \sqrt{\frac{2 \times 100}{9.8}}$

      t = 4.51 sec

 Horizontal distance formula x:

       $x=V_x \times t$

        x = 40 m / sec x 4.51 sec

        x = 180.4 m

4 0
3 years ago
Which of the following describes the mass of an object precisely ? *
timurjin [86]

Answer:

2.345 would be the most precious because you have more numbers to work with and exact numbers

8 0
3 years ago
1. first nuclear reactor
IRISSAK [1]
The correct matches are as follows:

<span>1. first nuclear reactor 
</span>Fermi - an italian physicist who made the first nuclear reactor<span>
2. </span>1/0 η<span>
 </span>atomic mass <span>
3. decaying nuclei 
</span>fission<span> - nuclear reaction from a heavy elements to lighter elements
4. number of neutrons and protons 
</span>neutron <span>
5. builds heavier elements 
</span>fusion - nuclear reaction from two or more elements to a heavier element<span>
6. discovered radioactivity 
</span>Curie<span>
7. unit of radiation 
</span> Becquerel  
7 0
3 years ago
Read 2 more answers
What is the speed of a wave that has a frequency of 6 Hz and a wavelength of 4 m?
notsponge [240]

Answer:

a ) 24 m/s

Explanation:

Given,

Frequency ( f ) = 6 Hz

Wavelength ( λ ) = 4 m

To find : Speed ( v ) = ?

Formula : -

v = f x λ

v

= 4 x 6

= 24 m/s

Therefore, the speed of a wave that has a frequency of 6 Hz and a wavelength of 4 m

is 24 m/s.

4 0
3 years ago
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