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Zinaida [17]
3 years ago
12

Radar use reflected microwaves to detect objects and measure their... what?

Physics
1 answer:
Sloan [31]3 years ago
7 0
Height and depth..... for sure....

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A diver shines a flashlight upward from beneath the water (n = 1.33) at a 32.7° angle to the vertical. At what angle does the li
suter [353]

Answer:

45.93°

Explanation:

The angle of incidence is given as 32.7°

The refractive index of the water that is n_1=1.33

Refractive index of the air that is n_2=1 (because the refractive index of air is 1 )

We have to find the angle at which the light leave the water means angle of refraction

So according to snell's law n_1sini=n_2sinr

1.33sin32.7=1\times sinr

sinr=0.7185

r =45.93°

So the light leave the water at an angle of 45.93°

3 0
3 years ago
A car travels 460km in 7 hours. How would you calculate the speed?
NemiM [27]

Answer:

speed = 65.7 km/h

Explanation:

speed = distance over time, so you'd do 460 km/7 hrs to get your speed in km/h

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2 years ago
HELP MEH QUICK PLEASE
lozanna [386]

Answer:

D) a Battery

Explanation:

The best real-life example of direct current is a battery. Batteries have positive and negative terminals on a battery, the electrons in the wires will begin to flow to produce a current.

6 0
3 years ago
Help a Girl Out and Answer This you will get Brainliest, Thanks, and more points if your answer is correct (:
melamori03 [73]

Answer:

this was 2 weeks ago, but im pretty sure the correct answers are:

B=c

C=d

D=b

hope this helps and is correct :)

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3 years ago
The kinetic theory states that the higher the temperature, the faster the
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