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gtnhenbr [62]
3 years ago
12

Molecules are composed of atoms held together through

Physics
2 answers:
Crank3 years ago
8 0
They are held through electrons
irinina [24]3 years ago
3 0
Your correct answer is chemical bonding :) 
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Please helpers! I wrote the first questions answer but from there i didnt know how to calculate.
docker41 [41]

Answer:

3.

Force(f) =2000N

Distance (d) =10m

Time(t)=50 sec

We know,

P=W/t

=f×d/t

=2000×10/50

=400 watt

4.

Force(f) =30N

Distance (d) =10 m

Time(t) =5 sec

We know,

P=w/t

=f×d/t

=30×10/5

=60 watt

5 0
3 years ago
Which statement best explains the relationship between the wavelengths and the frequencies of all the waves in the electromagnet
sukhopar [10]
Which statement best explains the relationship between the wavelength and the frequencies of all the waves in the electromagnetic spectrum? 
B. <span>The higher the frequency of the waves, the lower their wavelength is.</span>
4 0
3 years ago
A plane flying horizontally above earth’s surface at 100. meters per second drops a crate. the crate strikes the ground 30.0 sec
Lena [83]
Since the plane is traveling at 100m/s horizontal to the surface of the earth, the crate will always have this horizontal velocity (neglecting air resistance) until it hits the ground.  So the answer is 100m/s.  Note the vertical speed continues to change as the crate accelerates downward toward earth (again neglecting air effects)
3 0
3 years ago
The following three resistors (Ohms) are in parallel with one voltage source. What is the total current running through circuit?
Zepler [3.9K]

Explanation:

The total resistance Rt is given by

1/Rt = 1/Ra + 1/Rb + 1/Rc = 1/5 + 1/4 + 1/7 = 0.593

or Rt = 1.69 ohms

The total current I running through the circuit is

I = V/Rt = 2.37 A

6 0
3 years ago
The element chlorine is found in nature as a molecule that can be represented as - A. Cl.
poizon [28]
A
Cl is the chemical symbol for chlorine numbers after it are isotopes
5 0
3 years ago
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