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4 years ago

8

Why are solids good at transferring heat through conduction?

2 answers:

valentinak56 [21]4 years ago

8 0

Not all solids are good at conducting, like plastic or Styrofoam. This question is a little too broad, since there are many different cases that would serve for many different answers.

seraphim [82]4 years ago

6 0

The chemical bonds alow it to pass to the other object.

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Select the sources of tax revenue for federal, state, and local governments. Select all that apply.

12345 [234]

Personal income, sales, and payroll. it’s not education because that itself is payed for by taxes.

5 0

3 years ago

Read 2 more answers

Three-point charges are arranged on a line. Charge q3 = +5.00nC and is at the origin. Charge q2 = -3.00 nC and is at x = 5.00 cm

Anon25 [30]

Answer:

Explanation:

Given

Charge $q_3=+5\ nC$ is placed at origin

Charge $q_2=-3\ nC$ is placed at $x=5\ cm$

Charge $q_1$ is Placed at $x=2.5\ cm$

charge $q_1$ must be positive so as to balance the force on charge $q_3$

Force on $q_3$ due to $q_1$ is

$F_{31}=\frac{kq_1q_3}{r^2}$

here $r=2.5\ cm$

$F_{31}=\frac{kq_1q_3}{(2.5)^2}$

Force on $q_3$ due to $q_2$ is

$F_{32}=\frac{kq_3q_2}{r^2}$

here $r=5\ cm$

$F_{32}=\frac{kq_3q_2}{(5)^2}$

$F_{31}=F_{32}$

$\frac{kq_1q_3}{(2.5)^2}=\frac{kq_3q_2}{(5)^2}$

$q_1=q_2(\frac{2.5}{5})^2$

$q_1=3\times (\frac{2.5}{5})^2$

$q_1=3\times \frac{1}{4}$

$q_1=0.75\ nC$

5 0

4 years ago

Change of motion are caused by

AlexFokin [52]

<span>The only thing that can change the motion of an object is a net (unbalanced)</span>force acting on it. This is given by Newton's First Law of Motion, sometimes <span>also called the Law of Inertia.

I hope this helps!</span>

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3 years ago

A weight loss company claims that they take you into outer space where you lose weight

nata0808 [166]

Answer:

Explanation:

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3 years ago

5. Calculate how long in seconds it will take for a light pulse to travel from earth to the moon. The distance from earth to moo

solniwko [45]

Answer:

0.13 seconds

Explanation:

Since 1 Km = 0.621 miles

3.84 x 105 km = 3.84 x 105 × 0.621 = 23846.4 miles

Speed = distance/time

time= distance/speed

Time= 23846.4/186,000

Time= 0.13 seconds

3 0

3 years ago