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abruzzese [7]
4 years ago
9

Where does the water come from?

Physics
1 answer:
Komok [63]4 years ago
8 0
A combination of one hydrogen atom and 2 oxygen atoms.
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Compared to yellow light,orange light has
ArbitrLikvidat [17]
<span>So we wonder how can we compare yellow and orange light. Light is a small art of electromagnetic spectrum which is a continuum of all electromagnetic waves arranged by wavelenght and frequency. So on the EM spectrum orange has greaterr wavelangth than yellow but smaller frequency because wavelength and frequency are connected by the equation: c=f*lambda, where lambda is the wavelength and c is the speed of light and f is the frequency. We see that the higher the frequency the smaller the wavelength and vice versa.</span>
5 0
4 years ago
The weight of the mass added to the hanger is equal to the extra force on the gas, but what area should we use to calculate the
kari74 [83]

Answer: according to the Avagadro's law, volume is directly propotional to no of moles: VXn

according to the Charles law, volume is directly propotional to  temperatue: VXT

according to the Boyle's law, volume is inversely propotional to P: VX1/P

when we combine them we get:

VXnT1/P

V=knT/P

k= R(universal gas constant)

V=RnT/P

PV=nRT  

8 0
3 years ago
A 2 kg car accelerated from 10 m's to 20 m/s using a force of 3000N. How quickly did it
elena-14-01-66 [18.8K]

Answer:

the car accelerates in

\frac{1}{150}  \: or \: 0.006 \: second

Explanation:

here's the solution : -

we know,

=》

force = mass   \times acceleration

=》

acceleration =  \frac{force}{mass}

=》

a  =  \frac{3000}{2}

=》

a = 1500

so, acceleration = 1500 m/s^2

now,

=》

a =  \frac{v - u}{t}

here, a = acceleration, v = final velocity,

u = initial velocity, t = time taken.

So,

=》

1500 =  \frac{20 - 10}{t}

=》

1500 =  \frac{10}{t}

=》

t =  \frac{10}{1500}

=》

t = 0.006 \: sec

7 0
3 years ago
In an emergency, a driver brings a car to a full stop in 5.0s. The car is traveling at a rate of 38m/s when the breaking begins.
Lana71 [14]

(a) By definition of average acceleration,

<em>a</em> = ∆<em>v</em> / ∆<em>t</em> = (0 - 38 m/s) / (5.0 s)

<em>a</em> = -7.6 m/s²

(b) Recall that

<em>v</em>² - <em>u</em>² = 2 <em>a</em> ∆<em>x</em>

where <em>u</em> and <em>v</em> are initial and final velocities, respectively; <em>a</em> is acceleration; and ∆<em>x</em> is the change in position. So

0² - (38 m/s)² = 2 (-7.6 m/s²) ∆<em>x</em>

∆<em>x</em> = 95 m

6 0
4 years ago
Which of the following is an elastic collision?
fiasKO [112]
D is also an example
3 0
3 years ago
Read 2 more answers
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