Write any two characteristic features of the Citadel.

Answer:

Here, l=4.0m;Δl=2×10

−3

m;a=2.0×10

−6

m

2

,Y=2.0×10

11

N/m

2

(i) The energy density of stretched wire

u=

2

1

× stress × strain

=

2

1

×Y×(strain)

2

=

2

1

×2.0×10

11

×(2×10

−3

)/4)

2

=0.25×10

5

=2.5×10

4

J/m

3

.

(ii) Elastic potential energy = energy density × volume

=2.5×10

4

×(2.0×10

−6

)×4.0J=20×10

−2

=0.20J

Answer:

2.5%

Explanation:

Y=(F×l)/A×∆l

∆l/l=F/(A×Y)

= 10000/(2×10^-6)×(2*10^11)

=25*10^-3

percentage inc. in length= (∆l/l)×100

=2.5%

Answer:

Answer: 1/3 of 15 is 5.

Step-by-step explanation:

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Answer:

15 × 3 = 45 rupees.

Step-by-step explanation:

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Answer:

Answer is attached here

Answer:

The answer thus the question is Rs 270.

Step-by-step explanation:

According to these questions,

We have to find the simple interest on Rs 900 for 5 years at 6% per annum.

The formula for simple interest:-

P x R x T / 100

P = 900

T = 5

R = 6%

Simple interest = 900 x 5 x 6 / 100

Simple interest = 9 x 5 x 6

Simple interest = 270

Interest = 270

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Explanation:

• qε0 is the SI unit of electric flux is same.
• Electric flux has SI units of volt metres (V m) also equal to, newton metres squared per coulomb (N m2 C−1).
• Therefore, kg·m3·s−3·A−1 is the SI base units of electric flux.
• Property of an electric field that may be thought of as the number of electric lines of force or electric field lines that intersect a given area is called as electric flux.
• Electric flux is zero, the negative flux just equals in magnitude the positive flux, so that the net or total.