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Ratling [72]
3 years ago
12

What is the magnitude of the electric field produced by a charge of magnitude 5.00 μC at a distance of 2.00 m?

Physics
1 answer:
klio [65]3 years ago
6 0

Answer:

See answer below

Explanation:

Hi there,

To find the magnitude of electric field from a single charge, the following formula is used:

E=k \frac{q}{r^2}  where q is the charge in Coulombs (C), and r is the distance from the center of the charge in metres (m). k is the constant:

k= 8.99*10^{9}  N*m^2/C^2

Put q in C: q=5.00*10^(-6)

Plug in values:

E=(8.99*10^{9} )\frac{5.00*10^{-6} }{(2.00)^2}   N/C

E = 1.124*10^{4}  N/C

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Marking brainliest help pls the formula are there to help ^
natta225 [31]

Answer:

Explanation:

Look at the equation for Potential Energy. PE = mass times gravity times the height. Filling in and solving for h:

34.3 = .5(9.8)h so

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3 years ago
I Need help ASAP.   A block has a volume of 0.09 m3and a density of 4,000 kg/m3. What's the force of gravity acting on the block
yarga [219]

The correct answer is option A, 3.528 N

In this question the water has nothing to do, the gravity always pull the object with the same magnitude irrespective of the medium.

The force of gravity is calculated as

F=0.09*4000*9.8

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6 0
4 years ago
Read 2 more answers
A flywheel with a diameter of 1.63 m is rotating at an angular speed of 79.9 rev/min. (a) What is the angular speed of the flywh
Studentka2010 [4]

Answer:

(a) 8.362 rad/sec

(b) 6.815 m/sec

(c) 9.446 rad/sec^2

(d) 396.22 revolution

Explanation:

We have given that diameter d = 1.63 m

So radius r=\frac{d}{2}=\frac{1.63}{2}=0.815m

Angular speed N = 79.9 rev/min

(a) We know that angular speed in radian per sec

\omega =\frac{2\pi N}{60}=\frac{2\times 3.14\times 79.9}{60}=8.362rad/sec

(b) We know that linear speed is given by

v=r\omega =0.815\times 8.362=6.815m/sec

(c) We have given final angular velocity \omega _f=675rev/min

And \omega _i=79.9rev/min

Time t = 63 sec

Angular acceleration is given by \alpha =\frac{\omega _f-\omega _i}{t}=\frac{675-79.9}{63}=9.446rad/sec^2

(d) Change in angle is given by

\Theta =\frac{1}{2}(\omega _i+\omega _f)t=\frac{1}{2}(675+79.9)\times 1.05=396.22rev

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3 years ago
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posledela
The answer is negative three

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3 years ago
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Which type of motion most accurately describes the behavior of a friction -less pendulum?
kaheart [24]

Answer:

B) Periodic Motion

Explanation:

When a pendulum is friction-less, i.e there are no damping forces acting on it, its motion will be periodic, i.e it will bob up and down going from potential energy to kinetic energy and back. Thus, the motion of the pendulum can be best described by the term "period motion", hence choice B.

If however, forces do act on the pendulum, and if they acts as to damp the pendulum, it will oscillate less and less as time goes by, and eventually come to a stop (in the real world this damping force is usually air resistance ). And if the force acts in such a way that it increases the oscillations, the pendulum will swing higher and higher, and the system will go haywire! :)

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