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inn [45]
3 years ago
8

An iron rod is :

Physics
1 answer:
SashulF [63]3 years ago
7 0

The answer is C because the three metals that are magnetic are iron, nickel, and cobalt, and it is metal so it is a conductor of electricity.
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How can you use the volume of some quantity of a pure substance to calculate its mass
dangina [55]
Firstly, you must identify the pure substance first. Then, from a reliable source obtain its density. Density is calculated through the equation,
                                   
                                  density = mass / volume

From this equation, the volume can be calculated.
                                  
                                   volume = mass / density

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3 years ago
A piano of mass 852 kg is lifted to a height of 3.5 m. How much gravitational potential energy is added to the piano? Accelerati
JulsSmile [24]
m=852 \ kg \\ h=3,5 \ m \\ g=9,8 \ m/s^2 \\ \boxed{P_e-?} \\ \bold{Solving:} \\ \boxed{P_e=m \cdot g \cdot h} \\ P_e=852 \ kg \cdot 9,8 \ m/s^2 \cdot 3,5 \ m =8 \ 349,6 \ N \cdot 3,5 \ m \\ \Rightarrow \boxed{P_e=29 \ 223,6 \ J}
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3 years ago
Evaporates can provide an ideal speed racing surface.<br><br> True<br> or <br> False
musickatia [10]

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6 0
3 years ago
What is the normal force acting on a 2.8 kg object that is being dragged across a floor
enot [183]

Answer is in the file below

tinyurl.com/wpazsebu

7 0
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A rod of length 30.0cm has linear density (mass per length) given by
jeka94

The distance from the center of mass is as shown in the image:

<h3>What is the center of mass?</h3>
  • The center of mass, sometimes referred to as the balancing point in physics, is the only location where the weighted relative position of the distributed mass accumulates to zero.
  • Here is where a force can be applied to produce a linear acceleration without also producing an angular acceleration. When calculations in mechanics are made about the center of mass, they are frequently made simpler. It is a fictitious location where one can suppose that an object's full mass is concentrated to see its motion.
  • In other words, to apply Newton's equations of motion, the center of mass is the particle equivalent of the provided item.

To learn more about the Center of mass, refer to:

brainly.com/question/8662931

#SpJ4

5 0
2 years ago
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