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3 years ago

PLS HELP ASAP WILL MARK BRAIN and pls explain your answer....

Physics

1 answer:

lora16 [44]3 years ago

5 0

Answer:

it is sublimation because There are three ways heat is transferred into and through the atmosphere:

radiation.

conduction.

convection.

Explanation:

please mark me as brainliest as you wrote over there

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What characteristic do the metals iron, nickel, and cobalt share?

Rzqust [24]

They are all conductors.

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3 years ago

Read 2 more answers

a girl rides a sled down a frozen hill. she starts from rest at the top of the hill and reaches a speed of 16 m/s at the bottom

Zolol [24]

13.06m

Explanation:

Given parameters:

initial velocity u = 0

final velocity v = 16m/s

Unknown;

height of the hill = ?

Solution:

We are going to apply one of the laws of motion to solve this problem;

V² = U² + 2gH

where V is the final velocity

U is the initial velocity

g is the acceleration due to gravity = 9.8m/s²

H is the height

since initial velocity is zero;

V² = 2gH

To find the height;

H = $\frac{V^{2g} }{y}$

H = $\frac{16^{2} }{2 x 9.8}$ = 13.06m

learn more:

Velocity brainly.com/question/2706228

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3 years ago

How does the sun impact land at different latitudes?

Masja [62]

The radiation of the solar rays of the sun can damage and heat up land closer but at the same time cool because of the atmosphere

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3 years ago

A thin ball shell is shaped like a hollow ball with a radius of 42.8 cm. The material is a conductor with charge 0.8 nC A point

Gala2k [10]

Answer:

The Electric field will be 225.92 N/C

Explanation:

Given :

Radius of the hollow sphere R=42.8 cm
Initial charge on the conducting sphere is $Q_1=0.8\times10^{-9}\ \rm C$
Magnitude of the point charge $q_2=-5.4\times10^{-9}\ \rm C$

We know that the flux of the electric field through a close surface cab be calculated by using Gauss Law which is

$\int EdA=\dfrac{Q_{in}}{\epsilon_0}\\\\E\times4\pi\times 0.428^2=\dfrac{(0.8-5.4)\times10^{-9}}{\epsilon_0}\\\\E=225.92\ \rm N/C$

Hence the Electric Field is calculated.

The answer founded out by you seems to be correct and very close to the exact answer and the concept you have used in your answer is also correct.

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3 years ago

When a burning stick of increase is moved fast in a circle a circle of red light is seen.

anzhelika [568]

Answer:

The impression of the image on the retina lasts for about 1/16th of a second after the removal of the object. If a burning stick of incense is revolved at a rate of more than sixteen revolutions per second, we see a circle of red light due to persistence of vision.

Explanation:

7 0

3 years ago