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ivolga24 [154]
2 years ago
5

What happens to waves near the shore?

Physics
1 answer:
Lady_Fox [76]2 years ago
8 0

Answer As a wave travels across the open ocean, it gains speed. When a wave reaches a shallow coastline, the wave begins to slow down due to the friction caused by the approaching shallow bottom. ... Think of it like driving a car at high speed and then slamming on the breaks. Everything is going to fly to the front.:Waves at the Shoreline: As a wave approaches the shore it slows down from drag on the bottom when water depth is less than half the wavelength (L/2). The waves get closer together and taller. ... Eventually the bottom of the wave slows drastically and the wave topples over as a breaker. hope this helps have a nice night❤️❤️❤️

Explanation:

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What is the relationship between the spring constant and the period in a mass hanging on a spring oscillation and why?
anygoal [31]

Explanation:

Period of a mass on a spring is:

T = 2π√(m/k)

T is inversely proportional with the square root of k.  So as the spring constant increases, the period decreases.

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Failure to accomplish Erikson’s psychosocial task of late adulthood leads to despair.
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What is the primary function of earth's atmosphere (1 point)?
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3 years ago
How are magnetic forces like electric forces? (4 points) Select one: a. They both have charges b. In both, opposites attract. c.
nlexa [21]

Lets take it down a notch and break it down:

Magnetic forces and electric forces are quite similar, lets take a look at the answers possible:

A. They both have charges

False, magnetic forces do not HAVE charges, but they have an EFFECT on moving charges (that are creating a magnetic field around them).

Why? Electrical forces have positive and negative charges while magnetic forces have a north and south POLE. These two are different forces, therefore magnetic forces do not HAVE charges.

B. In both, opposites attract

We all know opposite poles attract, like poles, don't attract (repelling force). This is true for the magnetic force, now, the electric force, two positively charged particles will exert a repulsive force on one another. DING DING. We have a winner. <u>B is TRUE.</u>

C. In both, opposites repel

False, we already know in electric and magnetic forces that opposites attract and similar charges/poles repel.

D. Neither have charges

False, this is a joke question right? Don't even look at this one!!!!!!!!!


<u>Therefore, </u><u>B</u><u>, is the only true answer that describes how magnetic and electric forces are similar. </u>

Have a nice day!

6 0
3 years ago
A spring with k = 15.3 N/cm is initially stretched 1.81 cm from its equilibrium length. a) How much more energy is needed to fur
leonid [27]

Answer:

2.31J

Explanation:

the energy for a spring system is given by:

E=\frac{1}{2} kx^2

where k is the spring constant: k=15.3N/cm=1530N/m and x is the distance stretched from the equilibrium position.

In the first case x=1.81cm=0.0181m

so the energy to stretch the spring 1.81cm is:

K_{1}=\frac{1}{2} (1530N/m)(0.0181m)^2=0.25J

and for the second case,  the energy to stretch the spring 5.79cm:

x=5.79cm=0.0579m

K_{1}=\frac{1}{2} (1530N/m)(0.0579m)^2=2.56J

so to answer a) we must find the difference between these energies:

2.56J-0.25J=2.31J

6 0
3 years ago
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