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il63 [147K]
3 years ago
15

Suppose you are sitting on a rotating stool holding a 2 kgmass

Physics
1 answer:
Aloiza [94]3 years ago
3 0

Answer:Increase

Explanation:

Given

You are holding 2 kg mass in each outstreched hand

If the masses are dropped then Moment of inertia will decease by 2mr^2

Where m=2 kg

r=length of stretched arm

Since angular momentum is conserved therefore decrease in Moment of inertia will result in increase of angular velocity

as I\omega=constant

I=Moment of inertia

\omega=angular velocity

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Which type of resistor is commonly used in automotive circuits? a. Fixed value b. Stepped c. Variable d. All of the choices
soldi70 [24.7K]

Answer:d-All of the above

Explanation:

A resistor is a device used in electrical circuits that offers resistance to current flow.In automotive circuit commonly used resistor are

  1. Fixed value
  2. Stepped
  3. Variable

Fixed value:A fixed value electrical resistance is one whose value is resistance value is fixed and does not change in circuit.

Stepped resistance:Stepped resistor also called as tapped resistors provide two or more set resistor values. In a circuit, the various resistances are attached to different terminals. When the switch is shifted, different resistance values are put in the circuit.

Variable resistance:The variable resistor gives more control over the current flow by increasing the resistance. When the resistance of the variable resistor increases, the amount of current allowed to flow in the circuit decreases.              

7 0
3 years ago
A 1.95 kg box sits on an incline of 24 ° with the horizontal. If the box accelerates down the incline at 0.245 m/s 2 , what is t
koban [17]

Answer:

Explanation:

                            F = ma

mgsinθ - μmgcosθ = ma

      gsinθ - μgcosθ = a

                   μgcosθ = gsinθ - a

                              μ = (gsinθ - a) / gcosθ

                              μ = (9.81sin24 - 0.245) / 9.81cos24

                              μ = 0.4178906...

                              μ = 0.418

6 0
2 years ago
Drag each tile to the correct location.
Lady_Fox [76]

The order of the location of each process in the carbon cycle are as follows;

  • <u>Ingestion → Decomposition → Fossilization → Combustion </u>

Reasons:

Ingestion; During the ingestion process, the products of the direct Sunlight and photosynthesis, which

are energy rich chemical substances are ingested by herbivores.

Decomposition; The plants and animals die and undergo decomposition.

Fossilization; A long period the decomposed plants and animals manifest

into hard petrified materials, with their parts transformed to fossils.

Combustion; The remains of plants and animals, subjected to heat and

pressure due to compression, as when as bacteria decomposition that

removes several other elements, leaving a carbon and hydrogen rich

sludge that can be processed into fuel used for combustion. The

combustion process produces carbon dioxide which restarts the cycle.

Learn more about the carbon cycle here:

brainly.com/question/8648417

8 0
3 years ago
Classify each of the following statements as a characteristic (a) of electric forces only, (b) of magnetic forces only, (c) of b
ioda

A-  electric forces only - WHEN The force exerted on a stationary charged object is nonzero.

B-  magnetic forces ONLY  - The magnitude of the force depends on the charged object's direction of motion.

C- both electric and magnetic forces - The force is proportional to the magnitude of the charge of the object on which the force is exerted.

D-  neither electric nor magnetic forces- The force exerted on a moving charged object is zero.

(vi)- The force exerted on a charged object is proportional to its speed- magnetic forces only

To know more about magnetic forces visit : brainly.com/question/10353944

#SPJ4

4 0
1 year ago
A disk initially rotated counterclockwise at 1.0 rad/s, but has a counterclockwise angular acceleration of 0.50 rad/s^2 for 2 se
Mumz [18]

Answer:

Initial angular position of the disc is 3 radian

Explanation:

As we know that the angular acceleration of the disc is given as

\alpha = 0.50 rad/s^2

initial angular speed is given as

\omega = 1 rad/s

now we know that angular displacement of the disc is given as

\theta = \omega t + \frac{1}{2}\alpha t^2

\theta = 1(2) + \frac{1}{2}(0.5)(2^2)

\theta = 3 rad

now we have

\theta_f - \theta_i = 3 rad

6 rad - \theta_i = 3

\theta_i = 3 ard

8 0
3 years ago
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