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gayaneshka [121]
3 years ago
7

Im B O R E D someone please entertain me :(

Physics
1 answer:
Vilka [71]3 years ago
8 0

Answer: Boo

Explanation:

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Moment of inertia describes Select one: a. How the mass of an extended object is distributed about a rotation axis. b. How a for
olga nikolaevna [1]

Answer: a. How the mass of an extended object is distributed about a rotation axis

Explanation: Moment of inertia is defined as the measure of the rotational inertia of a solid object, it is a quantity that defines the torque needed to reach a desired angular acceleration around a given rotation axis, and it depends mainly on the mass distribution of the object, so the correct answer is: "how the mass of an extended object is distributed about a rotation axis"

7 0
3 years ago
Which of the following is not a type of system?
Brums [2.3K]
<span>Social 
i think so ,but  i am not sure</span>
5 0
4 years ago
A 1060-kg car moving west at 16 m/s collides with and locks onto a 1830-kg stationary car. determine the velocity of the cars ju
iren [92.7K]
M1U1 + M2V2 = (M1+M2)V, where M1 is the mass of the moving car, M2 is the mass of the stationary car, U1 is the initial velocity, and V is the common velocity after collision.
therefore; 
(1060× 16) + (1830 ×0) = (1060 +1830) V
 16960 = 2890 V
      V = 5.869 m/s
The velocity of the cars after collision will be 5.689 m/s
5 0
3 years ago
Two round concentric metal wires lie on a tabletop, one inside the other. The inner wire has a diameter of 18.0 cm and carries a
Helen [10]

Answer:

Explanation:

The wires are in circular shape . They have common center .

magnetic field due to circular wire is given by the formula

B = \frac{\mu_0\times I }{2r}

 where I is current , r is radius of the coil .

magnetic field due to inner wire

= \frac{\mu_0\times 10 }{2\times.09}

magnetic field due to outer wire

= \frac{\mu_0\times I }{2\times.15}

These should be equal  and opposite so that by cancelling each other , they create zero field.

\frac{\mu_0\times 10 }{2\times.09}  = \frac{\mu_0\times I }{2\times.15}

I = 16.66  A

Direction of current should be in opposite direction ie anticlockwise when looking from above.

6 0
4 years ago
Materials will have different energies associated with the electrons inside them. This is related to how strongly bound they are
andrey2020 [161]

Answer:

E = 401.3 eV

Explanation:

As we know that the thinnest gap in the direction of metal is given as

t = 3.09 nm

so here we can say that lowest energy of photon will not able to break this electron from above thickness

so we will have

E = \frac{hc}{\lambda}

here we have

hc = 1240 nm-eV}

also we have

\lambda = 3.09 nm

so we will have

E = \frac{1240}{3.09} eV

E = 401.3 eV

7 0
4 years ago
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