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expeople1 [14]
2 years ago
11

If you are anchored in a fixed spot, and a set of six waves pass underneath you during a 60 second time interval, what is the wa

ve frequency (in waves/second) of the waves?

Physics
1 answer:
Lunna [17]2 years ago
5 0

Answer:

Explanation:

Six waves passes by under 60second interval

Since it has 6 waves,

Then, it correspond to 3 wavelength

Then,

The period of each Each wavelength is 60 / 3

Then,  period = 20seconds

From the relationship between frequency and period

f = 1 / T

f = 1 / 20

f = 0.05 Hz

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A technician is troubleshooting a problem. The technician tests the theory and determines the theory is confirmed. Which of the
vladimir1956 [14]

Answer:

b)  Document lessons learned.

Explanation:

First he should do documentation

then C

then D

then A

3 0
2 years ago
A positive test charge q is released from rest at distance r away from a charge of +Q and a distance 2r away from a charge of +2
Svetradugi [14.3K]

Answer:

B. to the right

Explanation:

Given:

  • test charge +q
  • distance of the test charge from +Q, r
  • distance of test charge from +2Q, 2r

<u>Force on the test charge due to +Q:</u>

F_1=k.\frac{Q.q}{r^2}

<u>Force on the test charge due to +Q:</u>

F_2=k.\frac{2Q.q}{(2r)^2}

F_2=k.\frac{Q.q}{2r^2}

Since all the charges are positive here, so they will try to repel the test charge away. And the force due to charge +Q will be greater so initially the test charge will move rightwards away from the +Q charge.

3 0
2 years ago
Read 2 more answers
Click to review the online content. Then answer the question(s) below, using complete sentences. Scroll down to view additional
Nostrana [21]

Answer:

The general shape of a frequency distribution. For many data sets, statisticians use this information to determine whether there is a “normal” distribution of values. In normal distributions, the mean, median, and mode are the same. Whether the distribution is symmetrical or skewed in a certain direction. If the data is skewed to the right, this shows the mean will be greater than the median. Similarly, if the data is skewed left, the mean will be less than the median. The symmetry, or asymmetry, of the chart can help statisticians calculate probability. The modality of the data set. This means how many peaks exist in the data. For normal distributions, there will be one peak, or mode, in the data set.

Explanation:

i just got it right on edgenuity :)

6 0
2 years ago
PLEASE HURRY!!!!!!! A sample of gas does 150J of work against its surroundings and loses 90J of internal energy in the process.
olga_2 [115]

Answer:

the heat gained by the system (gas) is 60 J.

Explanation:

Given;

work done by the gas sample, W = 150 J

change in internal energy, ΔU = -90 J

Apply the first law of thermodynamic;

ΔU = Q - W

where;

Q is the heat gained by the system

From the equation above;

Q = ΔU + W

Q = -90 + 150

Q = 60 J

Therefore, the heat gained by the system (gas) is 60 J.

3 0
2 years ago
Comic-book superheroes are sometimes able to punch holes through steel walls. (a) If the ultimate shear strength of steel is tak
Katena32 [7]
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions here.

shear stress is the measure of the material's resistance to cause "sliding" motion of its layers. 
<span>Since the hero has to take a cylindrical piece of metal out, the area which will cause this force is 2*pi*r*l (put r and l in SI units to get answer in Newtons) </span>
<span>so the force required is shear strength into this area (2.60109 * 2 * pi * r * l) </span>
7 0
2 years ago
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