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2 years ago

What does wave speed have to do with all SONAR AND RADAR technologies?

Physics

2 answers:

posledela2 years ago

8 0

Answer:

1) Radar uses radio waves, which are a type of electromagnetic energy. Sonar uses the echo principle by sending out sound waves underwater or through the human body to locate objects. Sound waves are a type of acoustic energy. Because of the different type of energy used in radar and sonar, each has its own applications.

2)Radar systems operate using radio waves primarily in air, while sonar systems operate using sound waves primarily in water (Minkoff, 1991). Despite the difference in medium, similarities in the principles of radar and sonar can frequently result in technological convergence.

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Explanation:

Elena L [17]2 years ago

4 0

Explanation:

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A car is traveling at a speed of 45 km/h into town. It takes the car 2 hours to get there. How far has the car traveled?

hjlf

Answer:

90 km

Explanation:

45 km per hr

2 hrs

45 x 2 = 90

90 km/2 hrs

Hope this helps!

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2 years ago

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What do we mean by the observable universe?

mote1985 [20]

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2 years ago

Nikolas had an idea that he could use the compressed carbon dioxide in a fire extinguisher to propel him on his skateboard.

Vikentia [17]

The Newton’s law Nikolas would use to come up with this idea is the Third law that states:

When one body exerts a force on a second body, the second body simultaneously exerts a force equal in magnitude and opposite in direction on the first body.

So, in this case, let's name the first Body A which is the skateboard and the second body B which is the compressed carbon dioxide in a fire extinguisher. Then, as shown in the figure below, according to the Third law:

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2 years ago

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In which of these samples do the molecules most likely have the most kinetic energy? (2 points)

Vinvika [58]

D, water vapor. Gaseous state would have more kinetic energy, they are moving faster. If you have to compare the same state, then higher temperature would have the higher kinetic energy. But if you have solid and liquid at the same temperature - then liquid would have more.

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2 years ago

An astronaut stands by the rim of a crater on the moon, where the acceleration of gravity is 1.62 m/. To determine the depth of

leva [86]

Answer;

=32.15 meters

Explanation;

Use the formula

s= ut+ 0.5 a (t)^2 to find out 's'

where s= distance traveled

u=initial velocity which is zero in this case

t= time taken to travel 's' distance

a=acceleration (due to gravity on moon i.e 1.62 m/s^2 )

Therefore;

S = 0.5 * 1.62 * 6.3 * 6.3

= 32.1489 meters

Thus; the crater is 32.15 meters deep.

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2 years ago