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sertanlavr [38]
2 years ago
8

How does a free-body diagram tell you about the net force on an object?

Physics
2 answers:
Citrus2011 [14]2 years ago
3 0
A free-body diagram shows the vectors for all the force acting on the body the resultant vector found by summing all the individual vectors represents the net force.
lbvjy [14]2 years ago
3 0
<span>Using Diagrams to Depict ForcesWhen learning about force diagrams, you saw that scientists draw a diagram using arrows to show the type and size of the force.<span> The object is shown as a small box or dot from which the arrows originate.</span><span> These diagrams are also called </span><span>free-body diagrams </span>.<span> A "free body" is one object drawn all by itself, even though that object is likely to be in contact with other objects.</span> This way you can focus all your attention on what is happening to that one object.<span> </span></span>
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A laptop can convert 400J of electrical energy into a 240J of light and sound. What is the efficiency? Where does the rest of th
Blababa [14]
Efficiency = (Wanted) energy out ÷ energy in × 100

Energy in = 400J
Wanted Energy out = 240J

Energy cannot be used up, only transferred, so the remaining energy is most likely to be transferred into unwanted energy (loss of energy) such as heat energy.

Efficiency = 240 ÷ 400 × 100
Efficiency = 0.6 × 100
Efficiency = 60%
8 0
3 years ago
what are the 3 properties of components of the universe that can be determined using electromagnetic radiation?
stepan [7]
Your answer is electricity, light and magnetism.  They can be determined usinf elecromagnetic radioation. 
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Even the energy  can't be detected by our eyes, there are a lot of measurement  instruments that can measure infrared (IR), gamma rays, radio or X-rays or ultraviolet (UV)</span>
4 0
3 years ago
I need help fast please help
Irina18 [472]
A and C Im pretty sure :)
5 0
3 years ago
An ore sample weighs 17.50 N in air. When the sample
zysi [14]

Answer with Explanation:

We are given that

Weight of an ore sample=17.5 N

Tension in the cord=11.2 N

We have to find the total volume and the density of the sample.

We know that

Tension, T=W-F_b

F_b=buoyancy force

T=Tension force

W=Weight

By using the formula

11.2=17.5-F_b

F_b=17.5-11.2=6.3 N

F_b=V_{object}\times \rho_{water}\cdot g

Where

V_{object}=Volume of object

\rho_{water}=1000 kgm^{-3}=Density of water

g=9.8 ms^{-2}=Acceleration due to gravity

Substitute the values then we get

6.3=9.8\times 1000\times V_{object}

V_{object}=\frac{6.3}{9.8\times 1000}=6.43\times 10^{-4} m^3

Volume of sample=6.43\times 10^{-4} m^3

Density of sample,\rho_{object}=\frac{Mass}{volume_{object}}

Where mass of ore sample=1.79 kg

Substitute the values then, we get

\rho_{object}=\frac{1.79}{6.43\times 10^{-4}}=2.78\times 10^3 kg/m^3

Density of the sample=2.78\times 10^{3} kgm^{-3}

7 0
3 years ago
What does the word “adverse” mean in the following sentence? Adverse reactions, such as fever and headache, can occur if the med
Stells [14]
I think it's D. unfavorable hope it helps
3 0
3 years ago
Read 2 more answers
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