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Aleonysh [2.5K]
3 years ago
10

1) how will the total distance traveled by a car in 2 hours be affected if the average speed is doubled?

Physics
1 answer:
Elodia [21]3 years ago
6 0
1) d = V*t >>>as you double the av. speed the distance become doubled.
2) after you draw the victors you will find the total displacement  = 1 meter to the left.
3) V =d/t =( 8km)/(1.25hr) = 6.4km/hr
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Will get Brainlest 5 star and heart looking for someone who knows 7 grd science flvs work dm and friend
Makovka662 [10]
ANSWER:
C

EXPLANTION:
The earths crust is the toppest layer of Earth, so that elimates option A and B.

FUN FACT:
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I’m so sorry if this is wrong, but I hoped help.
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3 0
3 years ago
If an object is not moving are the forces acting on it balanced? Yes or no?why?
xxMikexx [17]

This is another time to look at Newton's 2nd law of motion:

Net Force = (mass) x (acceleration)

If the object is not moving, then its acceleration is certainly zero, and Newton's law looks like this:

Net Force = (mass) x (zero)

or  Net Force = (zero) .

"Net Force = zero" means that if there ARE any forces acting on the object, then they add up to zero, and we call them "balanced" forces.

So the answer is '<em>yes</em>', and that's why.

6 0
3 years ago
Describe at least 1 advantage and 1 disadvantaged to learning about a scientific discovery from
Over [174]

Answer:

A

Explanation:

You can get alot of info from it then again the info could be misleading

Answer:

B

Explanation:

You can get some good info from the internet but its most likely the wrong info

Answer:

c

Explanation:

It informs you with the info you need then again you are most likely getting socialy forced information.

8 0
3 years ago
how large can the kinetic energy of an electron be that is localized within a distance (change in) x = .1 nmapproximately the di
elena-14-01-66 [18.8K]

Answer:

The kinetic energy of an electron is 1.54\times10^{-15}\ J

Explanation:

Given that,

Distance = 0.1 nm

We need to calculate the momentum

Using uncertainty principle

\Delta x\Delta p\geq\dfrac{h}{4\pi}

\Delta p\geq\dfrac{h}{\Delta x\times 4\pi}

Where, \Delta p = change in momentum

\Delta x = change in position

Put the value into the formula

\Delta p=\dfrac{6.6\times10^{-34}}{4\pi\times10^{-10}}

\Delta p=5.3\times10^{-23}

We need to calculate the kinetic energy for an electron

K.E=\dfrac{p^2}{2m}

Where, P = momentum

m = mass of electron

Put the value into the formula

K.E=\dfrac{(5.3\times10^{-23})^2}{2\times9.1\times10^{-31}}

K.E=1.54\times10^{-15}\ J

Hence, The kinetic energy of an electron is 1.54\times10^{-15}\ J

4 0
3 years ago
In a diagram depicting the solar system as heliocentric, what is located at the center?
DerKrebs [107]
The word heliocentric means that the planets revolve around a star. For us it's the Sun.

So, the answer to this question is the Sun.
7 0
3 years ago
Read 2 more answers
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