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Nonamiya [84]
3 years ago
11

A politician running for office tells a crowd at a rally that the only way to keep the food chain safe is to stop allowing the g

rowth of genetically-modified crops, or GMOs. Should the politician's statement be considered a scientific fact?
A.
Yes. Public speakers are known to be experts in every subject.
B.
No. He presented no scientific data to support his claim.
C.
No. Only scientists can talk about scientific facts.
D.
Yes. He is probably friends with scientists who work with GMOs.
Physics
1 answer:
olasank [31]3 years ago
6 0

Answer:

B. No. He presented no scientific data to support his claim.

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What are the magnitude and direction of the acceleration of an electron at a point where the electric field has magnitude 7400 N
bezimeni [28]

Answer: a = 1.32 * 10^18m/s² due north

Explanation: The magnitude of the force required to move the electron is given as

F = ma

The force exerted on the charge by the electric field of intensity (E) is given by

F = Eq

Thus

Eq = ma

a = E * q/ m

Where a = acceleration of charge

E = strength of electric field = 7400N/c

q = magnitude of electronic charge = 1.609 * 10^-6c

m = mass of an electronic charge = 9.109 * 10^-31kg

a = 7400 * 1.609 * 10^-16/ 9.109 * 10^-31

a = 11906.6 * 10^-16 / 9.019 * 10^-31

a = 1.19 * 10^-12 / 9.019 * 10^-31

a = 0.132 * 10^19

a = 1.32 * 10^18m/s²

As stated in the question, the direction of the electric field is due north hence, the direction of it force will also be north thus making the electron experience a force due north ( according to Newton second law of motion)

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3 years ago
Which option describes the direction of thermal energy transfer in Earth's
Montano1993 [528]

.........

Explanation:

Option B..... ...

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When material allow to heat to pass though them rapidly they are known as __________​
Katarina [22]

Answer:

They are conductors/conductive. Materials that can transfer thermal energy well are conductive.

Explanation:

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Warning triangles, flares, a vehicle's hazard lights, or emergency vehicles ahead, are all clues that you might be approaching _
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Answer:

B. A collision scene

Explanation:

It could have been a parade ceremony, but, if you notice the vehicle's hazard lights or an emergency vehicle ahead, it is common sense to figure that they is a collision scene nearby.

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If 2.2 lbs = 1.0 kg, and Megan Progress weighs 130 lbs, what is her weight in newtons?
Dafna11 [192]

Answer:

Force = 2802.8 Newton

Explanation:

Given the following data;

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But, 2.2 lbs = 1.0 kg

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Force = mass * acceleration due to gravity

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Force = 2802.8 Newton

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