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amid [387]
3 years ago
10

Choose all the answers that apply. Which of the following statements are true? Science is always a positive force. Animal testin

g is no longer practiced in the United States. Science can influence technology and technology can influence science. Skepticism is a quality that scientists need. Most scientists work in laboratories.
Physics
1 answer:
Ilya [14]3 years ago
4 0
<span>Skepticism is a quality that scientists need. Because if they do not have that, they would not be motivated to do research on things they have doubts on. We would not have things we have today. Please rate me, and if this helped, thank me. If this really helped crown me brainiest answer.  </span>
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Marys airplane trip took 5.8 hours for one-half of that time, the airplane flew at a constant speed of 640 miles per hour and fo
Olenka [21]
Distance is speed x time.  Half of the trip is 5.8/2 = 2.9hrs.
640 x 2.9 = 1856mi
580 x 2.9 = 1682mi
1856mi+1682mi=3538mi.

You could also calculate her average speed.  This is easy since it was divided in two equal time slices.  Average Speed = (640+580)/2 = 610mi/hr
Now 610mi/hr x 5.8hrs = 3538mi
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A helium nucleus is composed of two protons (positively charged) and two neutrons (charge neutral). The distance between the two
lora16 [44]

Answer:

Using the given values

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i do not have an answer because it depends on the size and the distance lol

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Using Newton's third law of motion, explain what happens when you let an untied balloon go.
mash [69]

Answer:

balloon pushes you back

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So, when you let go of the balloon it's pushed forward so the balloon pushes you back

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Which of the following statements about iron filings placed upon glass resting on top of a bar magnet is false?
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The answer would be D. Because the iron fillings are attracted to the magnet underneath the glass.

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