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Mamont248 [21]
3 years ago
13

What is the best reason for having a strong hypothesis?

Physics
1 answer:
Alex73 [517]3 years ago
5 0
C) It can help design a better investigation
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Buoyant force is the net upward force that affects on the object in a fluid
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Answer:True

Explanation:

Buoyant force is the net upward force, that affect on the object in a fluid

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3 years ago
Which calculates the intensity of an electric field at a point where a 0.50 C charge experiences a force of 20. N?
tester [92]

Answer: 40\ N/C

Explanation:

Given

Magnitude of charge is q=0.5\ C

Force experienced is F=20\ N

Electric field intensity is the electrostatic force per unit charge

\therefore E=\dfrac{F}{q}\\\\\Rightarrow E=\dfrac{20}{0.50}\\\\\Rightarrow E=40\ N/C

Thus, the electric field intensity is 40\ N/C

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2 ways in which the effects of friction can be minimised in the experiment​
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Explanation:

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