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Oduvanchick [21]
2 years ago
8

Thermal physics vs atomic physics ...which is easier?​

Physics
2 answers:
Tanya [424]2 years ago
8 0

Answer:

Thermal physics

Explanation:

Because it uses temperature

Oduvanchick [21]2 years ago
7 0

Answer:

In my opinion both are easier if you'll work hard on it...

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Radar is used to determine distances to various objects by measuring the round-trip time for an echo from the object. (a) How fa
zloy xaker [14]

Answer:

150000000000 m

0.0000005 seconds

33.33 ns

Explanation:

Speed of electromagnetic waves through vacuum = 3\times 10^8\ m/s

Echo time = 1000 seconds

Echo time is the time taken to reach the object and come back to the observer

Distance = Speed×Time

Distance=3\times 10^8\times \frac{1000}{2}=150000000000\ m

Venus is 150000000000 m away from Earth

Time = Distance / Speed

Time=\frac{75}{3\times 10^8}=0.00000025\ seconds

Echo time will be twice the time

Echo\ time=2\times 0.00000025=0.0000005\ seconds

The echo time will be 0.0000005 seconds

Difference in time = Difference in distance / Speed

\Delta t=\frac{\Delta d}{v}\\\Rightarrow \Delta t=\frac{10}{3\times 10^8}\\\Rightarrow \Delta=33.33\ ns

The accuracy by which I will be able to measure the echo time is 33.33 ns

5 0
3 years ago
What is the relation between celsius and kelvin​
Scilla [17]

Answer:

The Celcius and kelvin scale are related unit for unit. One degree unit on the Celcius scale is equivalent to one degree unit on the kelvin scale. The only difference between these two scales is the zero point.

7 0
2 years ago
Read 2 more answers
An LED is useful because when a current passes through it, it gives out... what?
Mkey [24]

An LED is useful because when a current passes through it, it gives out light.

4 0
2 years ago
As a result of nuclear fusion, the sun produces what 2 types of energy ??
ELEN [110]

Answer:

heat energy and nuclear energy

Explanation:

as a resukt of nuclear fusion, the sun produces two types of energy.

1. heat energy

2. nuclear energy

3 0
3 years ago
Which of the following types of electromagnetic radiation has the shortest frequency? (2 points) Infrared waves Microwaves Ultra
Irina18 [472]

In order from shortest to longest frequency, the electromagnetic waves can be ranked :

1. X-rays

2. Ultraviolet

3. Infrared

4. Microwave

X-rays has the shortest frequency which ranges between 30 petahertz to 30 exahertz. X-rays have the smallest wavelengths at 0.01-10 nanometers. Its energy ranges between 100eV to 100keV.

5 0
3 years ago
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