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Rina8888 [55]
3 years ago
5

Which of the following represents an image that is located in front of a lens?

Physics
2 answers:
pentagon [3]3 years ago
7 0

Answer:

The answer is -di

Explanation:

Lostsunrise [7]3 years ago
5 0
-di represents an image in front of a lens
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Of waterfalls with a height of more than 50 m , Niagara Falls in Canada has the highest flow rate of any waterfall in the world.
Vinil7 [7]

Answer:

Power output: W=1426.9MW

Explanation:

The power output of the falls is given mainly by its change in potential energy:

Q=-P_{tot}=-(P_{2}-P_{1})

The potential energy for any point can be calculated as:

P=m*g*h

If we consider the base of the falls to be the reference height, at point 2 h=0, so P2=0, and height at point 1 equals 52m:

Q=P_{1}=m*g*h

If we replace m with the mass rate M we obtain the rate of change in potential energy over time, so the power generated:

W=M*g*h=2.8*10^{3}m^{3}/s*1*10^{3}kg/m^{3}*9.8m/s^{2}*52m =1426.9MW

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3 years ago
ASAP!! please What is the answer? MCQ. Thank you
sdas [7]

Answer:

Id say C

Explanation:

The hypotenuse for c is up and to the right so the unit vectors show that

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3 years ago
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A batter swings and hits a pitched baseball far over the left field wall. at the moment the baseball contacts the bat, which obj
Lyrx [107]
The baseball bat not the baseball
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A spaceship is traveling toward Earth while giving off a constant radio signal with a wavelength of 1 meter (m). What will the s
Nadya [2.5K]

Answer:

Less than 1 m

Explanation:

When objects are getting closer to each other there is a slight change in the wavelength that is being transmitted by either objects. This is known as the blue shift of waves. Here, the wavelength reduces.

In the opposite case the when objects are getting farther from each other there is a slight change in the wavelength that is being transmitted by either objects. This is known as the red shift. Here, the wavelength increases.

In this case the spaceship is getting close to Earth hence the wavelength will be lower than 1 m.

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