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Lera25 [3.4K]
3 years ago
5

What is magnification

Physics
1 answer:
il63 [147K]3 years ago
5 0
The action or process of magnifying something or being magnified, especially visually. Hope this helped
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What is a blue moon​
Irina18 [472]
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a phenomenon whereby the moon appears bluish owing to smoke or dust particles in the atmosphere
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3 years ago
It is known that birds can detect the earth's magnetic field, but the mechanism of how they do this is not known. It has been su
Lubov Fominskaja [6]

Answer:

A) 0.50 mV

Explanation:

In this problem, we can think the wings of the bird as a metal rod moving across a magnetic field. So, and emf will be induced into the wings of the bird, according to the formula:

\epsilon = BvL sin \theta

where

B=5\cdot 10^{-5} T is the strength of the magnetic field

v = 13 m/s is the speed of the bird

L = 1.2 m is the wingspan of the bird

\theta=40^{\circ} is the angle between the direction of motion and the direction of the magnetic field

Substituting numbers into the formula, we find

\epsilon = (5.0\cdot 10^{-5} T)(13 m/s)(1.2 m) sin 40^{\circ}=0.00050 V = 0.50 mV

8 0
3 years ago
True or False. Centripetal force holds an object towards the center of a circle.
Flura [38]
False’ because it is a force that makes a body follow a curved path
7 0
3 years ago
what is required to bring about a phase change 1.an increase or decrease in pressure 2.an increase or decrease in energy 3.an in
frozen [14]

Answer

Correct answers are 1.an increase or decrease in pressure 2.an increase or decrease in energy

Explanation

All existing matter can undergo phase change it means they may transform from one state to another. phase change of a matter  may occur due to change in energy and change in pressures.

for example there is an ice cube which is a solid and if  we want to change it phase into liquid water for that purpose we have to supply some energy to ice cube it means we have to give some heat to ice cube. After supplying heat energy to the ice it will turn into water it means there is phase change from solid to liquid due to supplying the heat. Similarly we can change the liquid water into solid ice cube by taking heat energy(reducing temperature) from the liquid water  .

In some cases the matter doesn't want to undergo phase transformation. For example, oxygen will solidify at -361.8 degrees Fahrenheit at standard pressure.But , it can change to solid state at warmer temperatures when the pressure is increased.


8 0
3 years ago
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Which equation is used to calculate the magnetic force on a charge moving in a magnetic field?
nadya68 [22]

Answer:

B

Explanation:

6 0
3 years ago
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