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Aliun [14]
3 years ago
14

Suppose, the same angular momentum is transferred to two rotating bodies of different moment of inertia , how will you compare t

he angular velocities of the two bodies as a result of angular momentum transfer.
Physics
1 answer:
Sonbull [250]3 years ago
4 0

Answer:

As per the law of conservation of angular momentum, the angular velocity will be higher for the body with a lower moment of inertia and vice versa.

Explanation:

Angular momentum L of a body is given by:

L=I\times \omega

Now when the same angular momentum is transferred to two different bodies with different moment of inertia, the body with a higher moment of inertia will have lower angular velocity and vice versa.

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A giant chorus of 1000 vocalists is singing the same note. Suddenly, 999 vocalists stop,leaving one soloist. By how many decibel
stiks02 [169]

Answer:

The decrease in decibels is 0.1 dB.

Explanation:

Let the intensity of one chorus is Io.

let the intensity of 1000 vocalist is dB.

The intensity of 1000 vocalist is 1000 Io.

dB = 10log\frac{1000Io}{Io}=30..... (1)

let the intensity of 999 vocalist is dB'.

dB' = 10log\frac{999Io}{Io}=29.9..... (2)

So, the change is

= dB - dB' = 30 - 29.9 = 0.1 dB

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3 years ago
V = _____ x 10_____ m/s
Eduardwww [97]

look it up on Google I will give you the answer

8 0
3 years ago
Air is heated in a glass bottle. The heat energy added to the air is 2.0 × 104 joules. What is the change in internal energy of
Liono4ka [1.6K]
The change in internal energy of the gas is \Delta U = 2.0 \cdot 10^4 J.

In fact, the 1st law of thermodynamics states that the change in internal energy of a system is equal to the amount of heat given to the system (Q) plus the work done on the system (W):
\Delta U = Q+W
In this example, no work is done on the bottle so W=0, while the heat given to the system is Q=2.0 \cdot 10^4 J, so the change in internal energy of the gas is
\Delta U = Q = 2.0 \cdot 10^4 J
4 0
3 years ago
What is the direction of the magnetic field b⃗ a at point a?
pogonyaev

Answer: Use the Right -hand Rule to find the direction of the magnetic field.

Explanation: A magnetic force only occur, in a magnetic field, when a particle is moving perpendicularly relative to the magnetic field. So, all three quantities are perpendicular among themselves.

The Right-Hand Rule apply for the positive charges moving in conventional current. If the moving charge is negative, the velocity must be reversed.

Right-Hand Rule determines the direction of any or all of the three and it is as follows: With you right hand, point your index finger in the direction of the velocity, your middle finger in the direction of the magnetic field and your thumb will be pointing in the direction of the magnetic force.

Another way of using the rule is when there is a current carrying wire:

The fingers of your right hand will curl into a half circle around the wire, they will point in the direction of the field. The thumb will point in the direction of the conventional current.

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3 years ago
A force of gravity between the sun and its planets holds the planets in orbit around the sun. If that force of gravity suddenly
Artemon [7]
The first on I think cuz its like if you were swinging a bag round and round with somthinig in it a you suddenly let go it would fly in the direction it's its heading when it's let go but idk man
7 0
3 years ago
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