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IRINA_888 [86]
3 years ago
9

Which of the following is the most appropriate definition of organic compound?

Physics
2 answers:
Varvara68 [4.7K]3 years ago
7 0

Answer:

D. a solid, liquid, or gaseous compound that is found in living organisms

Explanation:

Tems11 [23]3 years ago
3 0

Answer:

The answer is C. A compound that contains carbon atoms bound to other elements

Explanation:

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Imagine an aluminum cup of 0.30 liter capacity filled with mercury at 14.0 degrees C. How much mercury, if any, will spill out o
tresset_1 [31]

Answer:

ΔV=0.00043 L

Explanation:

Given that

V= 0.3 L

T= 14 °C

T'=27°C

Coefficient of volume expansion

\beta _{mercury}=1.8\times 10^{-4}\ C^{-1}

\beta _{Almunium}=0.69\times 10^{-4}\ C^{-1}

\Delta V=(\beta _{mercury}-\beta _{Almunium} )V\Delta T

\Delta V=(1.8\times 10^{-4} - 0.69\times 10^{-4})\times 0.3\times (27-14)

ΔV=0.00043 L

4 0
3 years ago
Entific findings are useful
Kaylis [27]

That's true.  The give-away is "observation ... in the real world".  That's what "field reports" are.

The part I'm not so sure about is those "entific findings".

4 0
2 years ago
When you push a child on a swing, you are doing work on the child because _____.
max2010maxim [7]

ur answer is A or also known as

When you push a child on a swing, you are doing work on the child because  you are pushing against the force of gravity

hope this helps :)

8 0
3 years ago
Read 2 more answers
A rocket's acceleration is 6.0 m/s2. Assuming it starts at 0 m/s, how long will it take for the rocket to reach a velocity of 42
elena-s [515]
You said "<span>A rocket's acceleration is 6.0 m/s2.".

That just means that its speed increases by 6 m/s every second.
Whenever you look at it, its speed is 6 m/s faster than it was
one second earlier.

If it starts out with zero speed, then its speed is 6 m/s after 1 second,
12 m/s after 2 seconds, 18 m/s after 3 seconds . . . etc.

How long does it take to reach 42 m/s ?

Well, how many times does it have to go 6 m/s FASTER 
in order to build up to 42 m/s ?

That's just (42/6) = 7 times.

Writing it correctly, with the units and everything, it looks like this:


(42 m/s) / (6 m/s</span>²)

= (42/6)  (m/s) / (m/s²)

= (42/6)  (m/s · s²/m)

=  7 seconds
7 0
3 years ago
Twin A makes a one way trip at 0.6c to a star 12 light years away while twin B stays on Earth. Each twin sends the other a signa
hram777 [196]

Answer:

8 signals received by twin A during the trip.

Explanation:

Given that,

Distance = 12 light year

Speed = 0.6 c

Time = 1 year

We need to calculate the time by A

Using formula of time

T=t\sqrt{\dfrac{1+\dfrac{v}{c}}{1-\dfrac{v}{c}}}

Put the value into the formula

T=1\sqrt{\dfrac{1+0.6}{1-0.6}}

T=2\ years

Similarly,

The expression for distance cover by A

D=d\sqrt{1-\dfrac{v^2}{c^2}}

D=12\sqrt{1-(0.6)^2}

D=9.6\ ly

We need to calculate the time

Using formula of time

t=\dfrac{D}{v}

t=\dfrac{9.6}{0.6}

t=16\ years

We need to calculate the signals received by twin A

Using formula for number of signals

n=\dfrac{t}{T}

Put the value into the formula

n=\dfrac{16}{2}

n=8\ signals

Hence, 8 signals received by twin A during the trip.

7 0
3 years ago
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