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tatuchka [14]
2 years ago
7

Arunning back practices for his upcoming football game by running drills. He runs forward 62.4 yards, and runs backward for

Physics
1 answer:
Mama L [17]2 years ago
4 0

Answer: He has only move 0.2 yards

Explanation: When you subtract 18.3 from 18.5 you get 0.2 and that is how much he's moved

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A police officer uses a radar gun to determine the speed of a car. A specialized radar gun uses ultraviolet light to determine s
lakkis [162]

Answer:

Radio Waves

Explanation:

Radio wave is a type of electromagnetic radiation notorious for their use in technologies used for communication like air traffic control, mobile phones, televisions and remote-controlled toys. Radio waves have the longest wavelength in the electromagnetic spectrum and are easily transmitted through air.

A radar gun uses radio waves to tell how far away an object is. To do that, the radar tool emits a focused radio wave and listens for any echo. If there is an item, say a car within the route of the radio wave, it's going to replicate some of the electromagnetic energy, and the radio wave will return to the radar gun. Radio waves flow via the air at a steady pace, so the radar gun can calculate how far the object is based totally on how long it takes the radio signal to return.

5 0
2 years ago
What is the power of 4ohm resistor connected to a 12v battery?
NemiM [27]

Answer:

36watts

Explanation:

Data obtained from the question include:

R (Resistor) = 4 Ohms

V (Voltage) = 12V

P (power) =?

P = IV

Recall: I = V/R

P = V^2 /R

P = (12)^2 /4

P = 144/4

P = 36watts

Therefore, power is 36watts

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3 years ago
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Which type of wave does the illustration depict?
Naddika [18.5K]
A transverse wave. A wave is a disturbance that transmits energy from one place to another by the particles of the medium.
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2 years ago
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How does Earth's surface and the structures on the surface change as a result of an earthquake? Help me pls and I will give Brai
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<span>Earthquakes often cause dramatic changes at Earth's surface. In addition to the ground movements, other surface effects include changes in the flow of groundwater, landslides, and mudflows. Earthquakes can do significant damage to buildings, bridges, pipelines, railways, embankments, dams, and other <span>structures</span></span>
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