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11111nata11111 [884]
1 year ago
14

If a scientist gets unexpected results during the first trial of an experiment,

Physics
2 answers:
vladimir2022 [97]1 year ago
8 0

Answer:

the correct answer is A to repeat the expirement to be sure the results are valid

My name is Ann [436]1 year ago
5 0

Answer:

A. Repeat the experiment to be sure the results are valid.

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The mass of a spacecraft is about 435 kg . An engine designed to increase the speed of the spacecraft while in outer space provi
svlad2 [7]

Answer:

Δ v =  125 m/s

Explanation:

given,

mass of space craft = 435 Kg

thrust = 0.09 N

time = 1 week

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change in speed of craft = ?

Assuming no external force is exerted on the space craft

now,

T= m_s a

a=\dfrac{T}{m_s}

a =\dfrac{0.09}{435}

a = 2.068 x 10⁻⁴ m/s²

using equation of motion

Δ v = a t

Δ v = 2.068 x 10⁻⁴ x 7 x 24 x 60 x 60

Δ v =  125 m/s

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Hurricane Katrina and hurricane Rita are similar in what way? (I will give brainliest to the correct answer) :)
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Answer:

Rita and Katrina both followed similar paths into the Gulf.

Explanation:

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3 years ago
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For heating Solid, Liquid, Gas and for cooling the opposite Gas, Liquid, Solid
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What is the difference between compound, element and mixture?
defon
Compound; consists of atoms of two or more different elements bound together,can be broken down into a simpler type of matter (elements) by chemical means (but not by physical means) has properties that are different from its component elements, and always contains the same ratio of its component atoms.Mixtures; Note that a mixture:consists of two or more different elements and/or compounds physically intermingled, can be separated into its components by physical means, and often retains many of the properties of its components.
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A rocket is fired straight up. It contains two stages (Stage 1 and Stage 2) of solid rocket fuel that are designed to burn for 1
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