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3 years ago

Which of the following would NOT be a cause of beach erosion?

Physics

2 answers:

galben [10]3 years ago

6 0

Answer:

C. fine weather and calm waves in summer

Explanation:

definitely would not be a cause of beach erosion!

Travka [436]3 years ago

4 0

Answer: Option C

Explanation:

Beach erosion can be defined as the erosion of the sand by the waves. These sand particles on the beach is eroded naturally due to high waves and severe strong winds and waves.

There are many other reasons because of which the beach erosion can take place. Building of sea walls, restricting the sand supply are some of them.

If there is fine weather and calm waves which is not enough strong to erode sand then it will not cause beach erosion.

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Two equal, but oppositely charged particles are attracted to each other electrically. The size of the force of attraction is 48.

galina1969 [7]

Given:

The force of attraction is F = 48.1 N

The separation between the charges is

$\begin{gathered} r=\text{ 60.9 cm} \\ =\text{ 60.9}\times10^{-2}\text{ m} \end{gathered}$

Also, the magnitude of charge q1 = q2 = q.

To find the magnitude of charge.

Explanation:

The magnitude of charge can be calculated by the formula

$\begin{gathered} F=\frac{k(2q)}{r^2} \\ q=\frac{Fr^2}{2k} \end{gathered}$

Here, k is the Coulomb's constant whose value is

$k\text{ = 9}\times10^9\text{ N m}^2\text{ /C}^2$

On substituting the values, the magnitude of charge will be

$\begin{gathered} q=\frac{48.1\times(60.9^\times10^{-2})^2}{2\times9\times10^{^9}} \\ =9.91\times10^{-10}\text{ C} \\ =9.91\times10^{-4}\text{ }\mu C \end{gathered}$

Thus, the magnitude of each charge is 9.91 x 10^(-4) micro Coulombs.

6 0

1 year ago

The proper order of the cycle of addiction is

Viktor [21]

Answer:

The answer would be drug use, addiction, dependence, tolerance, and withdrawal.

4 0

3 years ago

Read 2 more answers

What is the speed of an object at rest

sammy [17]

The speed of an object is measured by calculating the distance it travels per unit time.
The formula in Physics for calculating speed is = distance/ time.

Since an object at rest is not covering any distance, the speed is always assumed to be 0 m/s.

4 0

3 years ago

The change in pitch of a train's horn as it passes while you are standing still can be explained by

alexgriva [62]

The change in pitch of a train's horn as it passes while you are
standing still can be described by the Doppler effect, but that
doesn't explain it.

8 0

3 years ago

What is the electric potential v due to the nucleus of hydrogen at a distance of 5.292×10−11 m ?

viktelen [127]

Answer: 27.21 V

Explanation:

The electric potential $V_{E}$ due to a point charge is expressed as: