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4 years ago

What step of the scientific method involves asking a question based on an observation

Physics

2 answers:

Nataly [62]4 years ago

5 0

Answer: it’s the first one I think

Explanation:

mars1129 [50]4 years ago

4 0

Answer:

Asking a question

Explanation:

Step 1: QUESTION.

Step 2: RESEARCH.

Step 3: HYPOTHESIS.

Step 4: EXPERIMENT.

Step 5: DATA.

Step 6: CONCLUSION

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Which item is not considered electromagnetic energy?

suter [353]

Sound waves are known to be the one that's not considered as a type of electromagnetic energy. As for microwaves and x-rays, they tend to share the same frequencies that can be considered as electromagnetic, and sound waves have a different frequency than them.

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3 years ago

A tuning fork with a frequency of 404 Hertz is struck with a soft hammer. The fork is struck a second time by the

Bas_tet [7]

Answer:

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Explanation:

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3 years ago

An airplane travels at 300 mi/h south for 2.00 h and then at 250 mi/h north for 750 miles. What is the average speed for the tri

Anettt [7]

Answer:

270 mi/h

Explanation:

Given that,

To the south,

v₁ = 300 mi/h, t₁ = 2 h

We can find distance, d₁

$d_1=v_1\times t_1\\\\d_1=300\times 2\\\\d_1=600\ \text{miles}$

To the north,

v₂ = 250 mi/h, d₂ = 750 miles

We can find time, t₂

$t_2=\dfrac{d_2}{v_2}\\\\t_2=\dfrac{750\ \text{miles}}{250\ \text{mi/h}}\\\\t_2=3\ h$

Now,

Average speed = total distance/total time

$V=\dfrac{d_1+d_2}{t_1+t_2}\\\\V=\dfrac{600+750}{2+3}\\\\V=270\ \text{mi/h}$

Hence, the average speed for the trip is 270 mi/h.

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3 years ago

. A book is moved once around the perimeter of a table of dimensions 2.00 m by 3.00 m. If the book ends up at its initial positi

Lynna [10]

Answer:

Explanation:

displacement would be 10 because knowledge

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3 years ago

A model rocket is shot directly upward, rises to its maximum height and then returns to its launch position in 10.0 s. Assuming

worty [1.4K]

d. 49.0 m/s

this is your answer. ....OK. ..

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3 years ago