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aliya0001 [1]
2 years ago
14

In Science, a hypothesis must be _______________.

Physics
1 answer:
matrenka [14]2 years ago
5 0

Answer:

a hypothesis is testable then why would it be a hypothesis

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Glad it’s figured out
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Which of the following statements is true regarding the constructive interference diagram shown below? Select all that apply.
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I believe its B and C

Explanation:

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When a 25-kg crate is pushed across a frictionless horizontal floor with a force of 200 N, directed 20 below the horizontal, th
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Answer:

Option E is correct 310N

Explanation:

Given that the force used to push the crate is F = 200N

The force directed 20° below the horizontal

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Check attachment. For free body diagram and better understanding

Using newton second law along the vertical axis since we want to find the normal force

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N = 245+ 200Sin20

N = 245 + 68.4

N = 313.4 N

The normal force is approximately 310 N to the nearest ten

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3 years ago
La siguiente gráfica representa la velocidad como función del tiempo para dos carros que parten simultáneamente desde el mismo p
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The speed of the 8 kg block just before collision is 3.258 m/s

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