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3 years ago

14

Automobile engines AND steam engines are examples of ______. a. internal combustion engines b. heat engines c. external combusti

on engines d. solar collectors

2 answers:

uranmaximum [27]3 years ago

8 0

Answer: B. Heat engines

Explanation:

icang [17]3 years ago

4 0

Answer:

your answer should be a. steam engines

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Earth that are large enough to be detected by radar

Novosadov [1.4K]

Answer:

I don't now sorry HHHAHAH GOOD LUCK

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3 years ago

The space shuttle travels at a speed of about 7.6times10^3 m/s. The blink of an astronaut's eye lasts about 110 ms. How many foo

sveta [45]

Answer:

It covers distance of 9.15 football fields in the said time.

Explanation:

We know that

$Distance=Speed\times Time$

Thus distance covered in blinking of eye =

$Distance=7.6\times 10^{3}m/s\times 110\times 10^{-3}s\\\\Distance=836 meters$

Thus no of football fields= $\frac{936}{91.4}=9.15Fields$

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3 years ago

12) Which is MOST LIKELY a solid at room temperature?

ella [17]

Gold
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3 years ago

A light ray incident on a block of glass makes an incident angle of 50.0° with the normal to the surface. The refracted ray in t

Vladimir [108]

Answer:

The index of refraction of the glass is 1.3

Explanation:

Given data:

i = incident angle = 50°

r = refracted angle = 36.1°

The index of refraction according Snell´s law is:

$n=\frac{1*sini}{sinr} =\frac{1*sin50}{sin36.1} =1.3$

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3 years ago

Which of the following will cause an increase in gas pressure in a closed container?

Shalnov [3]

The answer is A. Or the first option. Pressure is changed by lowering the pressure, not reducing the volume. You would assume its C but its A.

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3 years ago