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patriot [66]
3 years ago
9

Which statement best describes the relationship between temperature and thermal energy?

Physics
2 answers:
choli [55]3 years ago
7 0
 <span>When temperature increases, particles in an object speed up, which means an increase in thermal energy. Since the particles are moving more now, the potential energy decreases, therefore kinetic energy increases. 

Overall, when temp goes up, thermal energy goes up, which leads to an increase in kinetic energy.</span>
Aleks [24]3 years ago
7 0
When temperature will increase, particles in an object speed up, which implies a rise in thermal energy. Since the particles ar<span>moving </span>additional now, the potential energy decreases, so kinetic energy will increase. 

Overall, once worker goes up, thermal energy goes up, that ends up in a rise in <span>kinetic energy

Explanation:

</span>
Often we expect<span> that heat and temperature </span>are a constant issue<span>. However, </span>this can be<span> not the case. Heat and temperature </span>are associated with one another<span>, </span>however, are totally different ideas<span>.

Heat </span>is that the<span> total energy of molecular motion </span>during a substance<span> </span>whereas<span> temperature </span>may be a live<span> of </span>the common<span> energy of molecular motion </span>during a<span> substance</span>

<span>When </span>heat<span> is transferred from one substance </span>to a different<span>, </span>the warmth<span> energy moves from </span>the warmer<span> substance to the colder substance.

The temperature </span>may be a measure<span> of </span>however<span> hot or cold a substance is. </span>the upper<span> the temperature of </span>an<span> object, </span>the warmer is that the<span> object</span>
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At a distance of 11 cm from a presumably isotropic, radioactive source, a pair of students measure 65 cps (cps = counts per seco
Alborosie

To solve the problem, it is necessary the concepts related to the definition of area in a sphere, and the proportionality of the counts per second between the two distances.

The area with a certain radius and the number of counts per second is proportional to another with a greater or lesser radius, in other words,

A_1*m=M*A_2

A_i =Area

M,m = Counts per second

Our radios are given by

r_1 = 11cm

R_2 = 20cm

m = 65cps

Therefore replacing we have that,

A_1*m=M*A_2

4\pi r_1^2*m = M * 4\pi R_2^2 M

r^2*m=MR^2

M = \frac{m*r^2}{R^2}

M = \frac{65*11^2}{20^2}

M = 19.6625cps

Therefore the number of counts expect at a distance of 20 cm is 19.66cps

7 0
3 years ago
Which indicates that light travels in straight lines?
aleksandr82 [10.1K]

Answer:

A

Explanation:

8 0
3 years ago
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What is the device used to measure a potential difference in a circuit called?
kvasek [131]
A voltmeter is the instrument used to measure a potential difference between two points in an electric circuit
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A satellite is in a circular orbit 21000 km above the Earth’s surface; i.e., it moves on a circular path under the influence of
mina [271]

Answer:

(orbital speed of the satellite) V₀ = 3.818 km

Time (t) = 4.5 × 10⁴s

Explanation:

Given that:

The radius of the Earth is 6.37 × 10⁶ m;    &

the acceleration of gravity at the satellite’s altitude is 0.532655 m/s

We can calculate the orbital speed of the satellite by using the formula:

Orbital Speed (V₀) = √(r × g)

radius of the orbit (r) = 21000 km + 6.37 × 10⁶ m

                                  = (2.1 × 10⁷ + 6.37 × 10⁶) m

                                  = 27370000

                                  = 2.737 × 10⁷m

Orbital Speed (V₀) = √(r × g)

Orbital Speed (V₀) = √(2.737 × 10⁷  × 0.532655 )

                              = 3818.215

                              = 3.818 × 10³

                             = 3.818 Km

To find the time it takes to complete one orbit around the Earth; we use the formula:

Time (t) = 2 π × \frac{r}{V_o}

            = 2 × 3.14 × \frac{2.737*10^7}{3.818*10^3}

            = 45019.28

            = 4.5 × 10 ⁴ s

6 0
3 years ago
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