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Katen [24]
3 years ago
12

What are 5 Non-Examples of Density

Physics
1 answer:
Maksim231197 [3]3 years ago
4 0
I'm not sure if there is five examples, but one easy one is light.
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After a parallel-plate capacitor has been fully charged by a battery, the battery is disconnected and the plate separation is in
kati45 [8]

Answer:

C

Explanation:

Using the two formulas q =CV and C =<em>∈A/d where q = charge, C = Capacitance, V =Voltage, ∈=permittivity of dielectric, A = area of plates and d = distance between plates. </em>Increasing the plate separation decreases the Capacitance thereby decreasing the charge also.

7 0
4 years ago
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how much work www does the motor do on the platform during this process? enter your answer in joules to four significant figures
soldi70 [24.7K]

The motor in the platform works for W=1885J during this process.

<h3>What is joules?</h3>

The amount of energy expended when a force of one newton is applied across a displacement of one meter is known as a joule. A joule is equal to one watt of electricity emitted or lost over the course of one second. The British thermal unit (Btu) is sometimes used to express energy. the work- or energy-measurement unit derived from the SI. The energy required to accelerate a body with a mass of one kilogram over a distance of one meter using one newton of force is equal to one joule. Additionally, one joule is equal to one watt-second.

<h3>What is joules formula?</h3>

The energy required to exert one newton of force through one meter is measured in joules. For instance, the energy required to lift a one-kilogram object one meter is given by E = Fd = (ma)d = mgd = (1 kg)(9.8m/s2)(1 m) = 9.8 kg m/s2 = 9.8 joules.

To know more about Joules visit:

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4 0
2 years ago
Force F=2.0N i - 3.0N k acts on a pebble with position vectorr=0.50m j - 2.0m k relative to the origin. In unit vector notation,
klasskru [66]

Answer with Explanation:

We are given that

Force acts on a pebble=2\hat{i}-3\hat{k} N

Position vector=r=0.5\hat{j}-2\hat{k} m

a.We have to find the resulting torque on the pebble about origin.

Torque=r\times F

Substitute the values then we get

Torque= (0.5j-2k)\times (2i-3k)

Torque=-k-1.5i-4jN-m

By using i\times j=k,j\times k=i,k\times i=j,j\times i=-k,k\times j=-i,i\times k=-j,i\times i=j\times j=k\times k=0

b.r=2i-3k

r-r_1=(0.5j-2k)-(2i-3k)=-2i+0.5j+k

Torque about point (2,0,-3)

\tau=(-2i+0.5j+k)\times (2i-3k)

\tau=-6j-k-1.5i+2j=-1.5i-4j-kN-m

6 0
3 years ago
Earth characteristics compared to other planets (kids explanation)
jasenka [17]

While Earth is only the <u>fifth largest planet in the solar system</u>, it is <u>the only world </u>in <u>our solar system</u> with the life we know or are starting to know of, for example, us as human beings. Just slightly larger than nearby Venus, Earth is the biggest of the four planets closest to the Sun, all of which are made of rock and metal. Other planets such as Jupiter are not so likely to have life like us there, for it is full of gas we don't breathe, and gases which are harmful to us, unlike the oxygen we have here on earth.

5 0
3 years ago
Why do children look like their parents please answer I have till tomorrow
Anestetic [448]
The parents passed down their genitics to the children. 

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3 years ago
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