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3 years ago

9

Similarities between heat and temparature

1 answer:

Katena32 [7]3 years ago

6 0

Heat<span> is energy that is transferred from one body to another as the result of a difference in </span>temperature<span>. ... </span>Heat<span> is a measure of how many atoms there are in a substance multiplied by how much energy each atom possesses. </span>Temperature<span> is related to how fast the atoms within a substance are moving.</span>

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The light from Barnard's Star takes about 5.94 years to reach Earth. Which of these statements is correct about Barnard's star?

s344n2d4d5 [400]

Answer:

It is located at a distance of 5.94 light years from Earth.

Explanation:

Since light transmitted from the star takes approximately 5.94 years to reach the earth, it means the star is located at a distance of 5.94 light years from Earth.

7 0

3 years ago

1. Acceleration can result from a change of _______, or a change in ___________, or both *

Klio2033 [76]

Answer:

not sure

Explanation:

jahhhhhsjjjjdddddhdhdj hbdbd#dialectical DHL I have no clue W Bush administration and I don't have any jshshhhhdgggddddddd the entire community was literate because

a. they had been slaves and had not been to school

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c. work was more important to them than education

d. they avoided to going school

the entire community was literate because

a. they had been slaves and had not been to school

b. they were too poor to go to school

c. work was more important to them than education

d. they avoided to going school

the entire community was literate because

a. they had been slaves and had not been to school

b. they were too poor to go to school

c. work was more important to them than education

d. they avoided to going school

the entire community was literate because

a. they had been slaves and had not been to school

b. they were too poor to go to school

c. work was more important to them than education

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jsbsbd the entire community was literate because

a. they had been slaves and had not been to school

b. they were too poor to go to school

c. work was more important to them than education

d. they avoided to going school

the entire community was literate because

a. they had been slaves and had not been to school

b. they were too poor to go to school

c. work was more important to them than education

d. they avoided to going school

the entire community was literate because

a. they had been slaves and had not been to school

b. they were too poor to go to school

c. work was more important to them than education

d. they avoided to going school

the entire community was literate because

a. they had been slaves and had not been to school

b. they were too poor to go to school

c. work was more important to them than education

d. they avoided to going school

BFF and I don't have any questions please call her and her husband to the hospital for a bit more time with my family grew up in the form of a ring whose inner circumference is it a lot of people who are you doing today beautiful and I don't have any questions please call her and her husband to the

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3 years ago

Is there a frame of reference one can go into that seems to eliminate gravity as Newton described it?

andriy [413]

Answer:

Yes such a frame exists: a free-fall (free-float frame) frame. This frame of reference is subject only to gravity and no forces such as electromagnetic forces or nuclear forces.

3 0

3 years ago

Plz plz help ...i really need steps for this answer

bija089 [108]

Answer:

3.9 seconds

Explanation:

Use constant acceleration equation:

y = y₀ + v₀ t + ½ at²

where y is the final position,

y₀ is the initial position,

v₀ is the initial velocity,

a is the acceleration,

and t is time.

Given:

y = 0 m

y₀ = 15 m

v₀ = 15 m/s

a = -9.8 m/s²

Substituting values:

0 = 15 + 15t + ½ (-9.8) t²

0 = 15 + 15t − 4.9t²

0 = 4.9t² − 15t − 15

Solve with quadratic formula:

t = [ -b ± √(b² − 4ac) ] / 2a

t = [ 15 ± √((-15)² − 4(4.9)(-15)) ] / 2(4.9)

t = [ 15 ± √(225 + 294) ] / 9.8

t = (15 ± √519) / 9.8

t = -0.79 or 3.9

It takes 3.9 seconds for the stone to reach the bottom of the well.

The negative answer is the time it takes the stone to travel from the bottom of the well up to the top of the well.

6 0

3 years ago

Read 2 more answers

What is being transferred as you do work?<br> A. Energy<br> B. Power<br> C. Heat<br> D. Strength

r-ruslan [8.4K]

$\huge\bold{\purple{\bold{⚡A. Energy⚡}}}$

$\huge\underline\mathtt\colorbox{cyan}{Reason:}$

When a force causes a body to move, work is done on the object by the force. Work is the measure of the energy transfer when a force 'F' moves an object through a distance 'd'. So we say that energy is transferred from one energy store to another when work is done, and therefore, energy transferred = work done.

4 0

3 years ago

Read 2 more answers