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aleksandrvk [35]
4 years ago
12

How to express whole numbers in scientific notation?

Physics
1 answer:
SCORPION-xisa [38]4 years ago
5 0

Answer:

To write a number in scientific notation. First write a decimal point in the numbers so that there's only one digit to the left of the decimal point.

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A segment A of wire stretched tightly between two posts a distance L apart vibrates in its fundamental mode with frequency f. A
____ [38]

Answer:

option (c)

Explanation:

Fundamental frequency of segment A = f

Second harmonic frequency of B = fundamental frequency of A .

Tension in both the wires is same and the mass density is also same as the wires are identical.

fundamental frequency of wire A is given by

f=\frac{1}{2L_{A}}{\sqrt{\frac{T}{m}}}    .... (1)

Second harmonic of B is given by

f=\frac{2}{2L_{B}}{\sqrt{\frac{T}{m}}}    .... (2)

Equation (1) is equal to equation (2), we get

\frac{1}{2L_{A}}=\frac{2}{2L_{B}}

L_{B}=2L_{A}

So, LB = 2 L

Thus, the length of wire segment B is 2 times the length of wire segment A.

3 0
3 years ago
The total amount of kinetic energy and potential energy within a system is called
Alekssandra [29.7K]
<span>The total amount of kinetic energy and potential energy within a system is called "Mechanical Energy"

In short, Your Answer would be Option C

Hope this helps!</span>
6 0
3 years ago
Why is it recommended that windows face north in Alice Springs, Australia for passive solar heating?
ladessa [460]
The Passive solar heating uses free free heating direct from the sun to reduce the estimated forty percent of energy consumed in the average australian home for space heating and cooling. many heating and cooling design objectives overlap but different emphasis is required depends on your climate need.
4 0
3 years ago
A 4.00 µf capacitor is connected to a 12.0 v battery.
atroni [7]
(a) The capacitance of the capacitor is:
C=4 \mu F=4 \cdot 10^{-6}F
and the voltage applied across its plates is
V=12.0 V

The relationship between the charge Q on each plate of the capacitor, the capacitance and the voltage is:
C= \frac{Q}{V}
and re-arranging it we find the charge stored in the capacitor:
Q=CV=(4 \cdot 10^{-6} F)(12.0 V)=4.8 \cdot 10^{-5} C

(b) The electrical potential energy stored in a capacitor is given by
U= \frac{1}{2}CV^2
where C is the capacitance and V is the voltage. The new voltage is 
V=1.50 V
so the energy stored in the capacitor is
U= \frac{1}{2}(4 \cdot 10^{-6} F)(1.50 V)^2=4.5 \cdot 10^{-6} J
3 0
3 years ago
Read 2 more answers
1. Traditionally, only parties to a contract had rights and liabilities under the contract. This was known as the principle of _
Sladkaya [172]

Answer:

Privity of contract, Assignment

Explanation:

Privity of contract  is the relationship that exist between the parties to a contract which allows them to sue each other meanwhile it prevents a third party from doing so. It is a common law principle which provides that a contract cannot confer rights or impose obligations upon any person who is not a part to the contract.

<u>Assignment:</u> This is the act of transferring all or part of one's rights arising under a contract to another another person.

5 0
3 years ago
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