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kirill115 [55]
3 years ago
11

What type of device forms images by changing the speed at which light

Physics
2 answers:
snow_tiger [21]3 years ago
8 0

Answer:

It's Lens

Explanation: I did the assignment

Nady [450]3 years ago
3 0

Answer:

Any Lens

Explanation:

I Hope it's right if not so Sorry :)

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A cabbie is trying to stop when he notices a fare is whistling them over. The
liberstina [14]
  • K.E=18750J
  • Mass=m=2100kg
  • Velocity=v

\boxed{\sf K.E=\dfrac{1}{2}mv^2}

\\ \sf\longmapsto 18750=\dfrac{1}{2}2100v^2

\\ \sf\longmapsto 18750=1050v^2

\\ \sf\longmapsto v^2=\dfrac{18750}{1050}

\\ \sf\longmapsto v^2=17.85m^2

\\ \sf\longmapsto v=\sqrt{17.85}

\\ \sf\longmapsto v=4.1m/s

7 0
3 years ago
In a simple electric circuit, a 110-volt electric heater
Readme [11.4K]

Answer: 55 ohms

Explanation:

Given that,

Voltage of heater (v) = 110-volt

Current drawn by heater (I) = 2.0 amperes

resistance of the heater (r) = ?

Since voltage, current and resistance are involved, apply the formula for ohms law.

Voltage = current x resistance

i.e v = ir

where r = v / i

r = 110 volts / 2.0 A

r = 55 ohms

Thus, the resistance of the heater is 55 ohms

6 0
3 years ago
The movement of water is able to transport minerals and nutrients. Which statement best explains why water is able to do this?
Marrrta [24]

no it can't do this why because I think that it is water and it can not go any where.

3 0
3 years ago
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When looking at human motives the following theorist developed a hierarchy of five needs that range from basic physiological nee
FromTheMoon [43]
The theorist you are talking about is none other than Abraham Maslow. He developed the Maslow's hierarchy of needs wherein basic human needs range from the physiological, security, and love and belongingness needs to the esteem and self-actualization of the individual. 
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3 years ago
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Based on the most widely accepted scientific explanation, elements began to form shortly after the big bang. Which of the follow
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Big Bang is a theory that, as stated above, has grown to become widely acceptable scientific explanation of the origin of things. Research would say that according to this theory, the Earth originated billion years ago through an explosive of a highly energized point.

Through this explosion, the elements were formed. However, only the lightest of the elements including hydrogen and helium, with traces of lithium and beryllium. From the choices, the answer would have to be the second choice, helium.

Answer: B. helium
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3 years ago
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