3 years ago

Which property of X-rays allows them to enter our bodies and create pictures of our bones and other internal structures?

Physics

1 answer:

Degger [83]3 years ago

7 0

Answer:

(A) Their high energy

Explanation:

The higher the energy of the x-ray the more "likely" they will pass through.

The x-ray is electromagnetic energy caused by energy changes in an electron.

X-ray are energetic and have enough energy to break up molecules. That is what reveals the bad or damaged cells in our body.

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A jet airplane has a velocity of 1145 knots. A knot is 1 nautical mile (nm)/hr. A nautical

Tanya [424]

Answer:

1 m = 39.37 in = 39.37/12 ft = 3.28 ft

V = 1145 k/hr = 1145k/hr * 6076 ft/k = 6957020 ft / hr

V = 6957020 ft/hr / 3600 s/hr = 1933 ft/sec

V = 1933 ft/sec / (3.28 ft / m) = 589 m/s

Check:

88 ft/sec = 60 mph

(1145 k/hr * 6076 ft / k) 3600 sec/hr = 1933 ft/sec = 589 m/s

1933 ft/sec / (88 ft/sec) * 60 mph = 1318 mph

Also, 1318 / 1145 = 6076 / 5280 as it should

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2 years ago

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Tomtit [17]

The answer to this question is A.

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3 years ago

What is the net force

nadya68 [22]

Answer:

20 N in West direction.

Explanation:

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70N in west-50N in east= 20N in west

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3 years ago

Calculate the energy needed to heat 4 kg of water from 25°C to 45°C.

inna [77]

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cestrela7 [59]

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