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astraxan [27]
2 years ago
6

1. The magnitude of the electrostatic force a charge particle exerts on a 5.0nC particle 0.20m away from it is 18N. Find the mag

nitude of the force it exerts on a 4.0nC charge 0.30m away
2. The magnitude of the electrostatic force a charge particle exerts on a 16nC particle 0.40m away from it is 72N. Find the magnitude of the force it exerts on a 4.0nC charge 0.30m away

3. The magnitude of the electrostatic force a charge particle exerts on a 5.0nC particle 0.20m away from it is 15N. Find the magnitude of the force it exerts on a 7.0nC charge 0.10m away​
Physics
1 answer:
Sveta_85 [38]2 years ago
7 0
The magnitude force a charge of the 16nC particle of 0.40
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The elements fluorine and chlorine can form minerals in the _____ group
navik [9.2K]

The elements fluorine and chlorine can form minerals in the "halide"group .


Halide refers to the group containing halogens. The halogens turn out to be less responsive as you go down the group. Fluorine, at the highest point of the group, is the most responsive or reactive halogen. It is to a great degree risky, causing serious synthetic consumes on contact with skin.

Halogens also act as bleaching agents.They will evacuate the shade of colors. Chlorine is utilized to bleach wood mash to influence white paper.

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3 years ago
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a man can row a boat at 4 km per hour in still water. he rolls the boat two kilometre upstream and 2 kilometre back to a startin
stiv31 [10]

Answer:

I would say since it is still water the stream flow is 0km/h. Especially because he needs the same time upstream as He does down stream.

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2 years ago
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The blank the value of coefficient of friction the greater the resistance to sliding
expeople1 [14]

Answer:

The <u>HIGHER</u> value of coefficient of friction the greater the resistance to sliding

Explanation:

As we know that friction force is given by

F_f = \mu F_n

so friction force is the product of friction coefficient and normal force.

So here we can say that if friction coefficient is higher then the friction force will be more as it is product of friction coefficient and normal force.

So correct answer will be given as

The <u>HIGHER</u> value of coefficient of friction the greater the resistance to sliding

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3 years ago
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A motor is connected to the smaller 0.2 m radius pulley and cable, lifting 150 kg mass. Neglecting the mass/weight of the cable
-Dominant- [34]

Answer:

324.3Nm

Explanation:

The torque is given by the equation

\tau=r\ X\ F

in this case the vectors r and F are perpendicular between them, thus:

\tau=rF

The forces acting on the mass are:

T-Mg=Ma    (1)

where T is the tension of the cable, M is the mass and a is the acceleration.

Furthermore, we have that the acceleration is:

a=\frac{v-v_0}{t}=\frac{10m/s-0m/s}{10s}=1\frac{m}{s^2}

By replacing in (1) we can obtain:

T=Ma-Mg=M(a-g)=(150kg)(1\frac{m}{s^2}+9.8\fac{m}{s^2})=1620N

The force T produces the torque on the pulley, hence:

\tau=rT=(0.2m)(1620N)=324Nm

the answer is 324.4Nm

hope this helps!

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3 years ago
What is the effect of gravity on a falling object?
Sedbober [7]

Answer:

gravity pulls the falling object to the ground

Explanation:

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