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adelina 88 [10]
3 years ago
14

What is an electrostatic phenomenon?​

Physics
1 answer:
Irina18 [472]3 years ago
7 0

Answer:

Electrostatic phenomenon is a from the forces that electric charges exert on each other.

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The electric potential in a region of uniform electric field is -1600 V at x = -1.30 m and + 2000 V at x =+ 1.80 m . What is Ex?
Inga [223]

Answer:

-1161.29 V/m

Explanation:

The x component of electric field will be given by

E_x= -\frac {\triangle V}{\triangle x}

Here \triangle V is the change in voltage while triangle x is the change in x

E_x= -\frac {+2000 V--1600V}{\triangle 1.8--1.3}=-\frac {3600}{3.1}=-1161.29 V/m

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A space probe is launched from Earth headed for deep space. At a distance of 10,000 miles from Earth's center, the gravitational
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Grav Force = GMm/r squared. M is earth's mass. m is the probe. r is distance to centre of earth.Given that 600 = GMm/(10,000^2).GMm = 600x(10,000^2) for 10, 000 milesGMm = ? x (20,000^2) for 20, 000 milestherefore600x(10,000^2)=? x (20,000^2)therefore [600x(10,000^2)]/(20,000^2)=? [600x(1x1)]/(2x2)=? [600/4]=? ?=150lb.Same procedure for b and c.Please ask if you want further help.
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A person is standing on the beach counting the waves that come in. The person counts 10.0 waves in 68.0 s. What is the frequency
worty [1.4K]

Answer: 0.14 Hz

Explanation:

We are told the person counts 10 waves in 68 s, from this information we can calculate the frequency f, which is defined as the number of oscilations or waves per unit of time. Then:

f=\frac{10 waves}{68 s}

f=0.14 s^{-1}

This is the frequency of the ocean waves. Now, according to the International System of Units (SI), frequency is measured in Hertz (Hz), which is equivalent to s^{-1}.

So, according to this, the frequency of the ocean waves is f=0.14 Hz

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4 years ago
The end of a horizontal rope is attatched to a prong of an electricity driven tuning fork that vibrates at 100hz. The other end
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here since string is attached with a mass of 2 kg

so here tension force in the rope is given as

T = mg

here we will have

T = 2(9.8) = 19.6 N

now we will have speed of wave given as

v = \sqrt{\frac{T}{\mu}}

here we will have

v = \sqrt{\frac{19.6}{0.75\times 10^{-2}}}

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now we know that frequency is given as

F = 100 Hz

now wavelength is given as

\lambda = \frac{v}{F}

\lambda = \frac{16.33}{100} = 0.16 m

so wavelength will be 0.16 m

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3 years ago
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