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AleksAgata [21]
3 years ago
5

1) Which of the following is the best definition of the scientific method?

Physics
1 answer:
zysi [14]3 years ago
5 0
D is the correct answer
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3. Rock A is thrown horizontally off of a cliff with a velocity of 20 m/s. The
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Answer:

44.1 m

Explanation:

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2 years ago
What is 3,278,000 as scientific notation?
jonny [76]
3.278*10^6 I think. Sorry if it’s wrong.
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Which statement is true about the part of the electromagnetic spectrum that human eyes can detect?
LUCKY_DIMON [66]
Your answer is B. The human eye can only detect color and Tv waves
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The position-time graph of an object is found to be a straight line passing through the origin. What information about the motio
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-- The object either left or crossed the starting line exactly at time=0 .

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    we know about.
5 0
3 years ago
An electron is initially at rest in a uniform electric field having a strength of 1.85 × 106 V/m. It is then released and accele
kirza4 [7]

Answer:

W = 462.5 keV

Explanation:

As we know that when electron moved in electric field then work done by electric field must be equal to the change in kinetic energy of the electron

So here we have to find the work done by electric field on moving electron

So we have

F = qE

F = (1.6 \times 10^{-19})(1.85 \times 10^6)

F = 2.96 \times 10^{-13} N

now the distance moved by the electron is given as

d = 0.25 m

so we have

W = F.d

W = (1.6 \times 10^{-19})(1.85 \times 10^6)(0.25)

W = 7.4 \times 10^{-14} J

now we have to convert it into keV units

so we have

1 keV = 1.6 \times 10^{-16} J

W = 462.5 keV

5 0
3 years ago
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