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Ierofanga [76]
3 years ago
10

Which statement is correct? Theories are accepted as true when a single experiment yields similar results to another one. When a

scientist finds a new way to test a hypothesis, experimental methods do not change. Theories may be revised over time as information is discovered or technology is developed. When a scientist finds a new way to test a hypothesis, the original theory is made into a law.
Physics
2 answers:
levacccp [35]3 years ago
3 0
The third statement is correct.

Vladimir [108]3 years ago
3 0

Answer:

Theories may be revised over time as information is discovered or technology is developed.

Explanation:

A scientific theory is a set of knowledge related to a particular problem of interest, be it academic or practical. The structure of a theory is formed by the following main elements: problem, evidence, postulates, axioms, questions, hypotheses, predictions, theses, rules and laws. Theory seeks to explain a particular phenomenon or problem of society, so theories can be revised and change as society changes and new technologies and new information are discovered.

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The part of a river that would have animals with muscular bodies and adaptations that let survive in turbulent water is in the transition zone, the mid-transition zone to be precise. Water at the source zone possesses a lot of potential energy and as it flows from the upper reaches the potential energy is turned into kinetic energy when the course of the river begins to gradually level out and this translates into increase in velocity. By the time river water reaches the middle of the transition zone, most of the potential energy would have been turned into kinetic energy and thus water velocity would be quite high here. Animals living here would develop muscles because of constantly fighting against the strong current to avoid being swept downstream.
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pychu [463]
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3 years ago
The Millersburg Ferry (m = 13000.0 kg loaded) is travelling at 11 m/s when the engines are put in reverse. The engineproduces a
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Explanation:

It is given that,

Mass of Millersburg Ferry, m = 13000 kg

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Applied force, F = 10⁶ N

Time period, t = 20 seconds

(a) Impulse is given by the product of force and time taken i.e.

J=F.\Delta t

J=10^6\ N\times 20\ s

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(b) Impulse is also given by the change in momentum i.e.

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v_f=1549.46\ m/s

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3 years ago
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Answer:

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