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Readme [11.4K]
3 years ago
3

Creative Commons Attribution-Share Alike 3.0 Unported Look at the graph. Where P is price and Q is quantity, what might cause a

move from B to A? Fewer workers are needed to manufacture the product. A nationwide discount program is implemented. New technologies make manufacturing more efficient. Two other firms open to manufacture the same product.
Physics
1 answer:
lana [24]3 years ago
4 0
<span>Where P is price and Q is quantity, the main cause that moves from B to A is that New technologies make manufacturing more efficient. </span>The salient features of the post industrial society is marked by the increased value of knowledge. This increased knowledge shows what benefits of the economic employment patterns gives if managed correctly. The increased creativity thru tertiary education as shown how the young ones uses technology to create something. Also, I think ICTs can be innovatively used in the absence of minimum literacy levels among the poor. Nowadays, as technology has improved, there are cheaper gadgets that can enable one to buy at a cheaper price. Even though it may not be as good as the expensive ones, at least the basic functions of these gadgets are still present.
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Convection currents will transfer heat throughout a gas until what condition arises
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The answer is D.
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What is the peak emf generated by a 0.250 m radius, 500-turn coil is rotated one-fourth of a revolution in 4.17 ms, originally h
zysi [14]

Complete question:

What is the peak emf generated by a 0.250 m radius, 500-turn coil is rotated one-fourth of a revolution in 4.17 ms, originally having its plane perpendicular to a uniform magnetic field 0.425 T. (This is 60 rev/s.)

Answer:

The peak emf generated by the coil is 15.721 kV

Explanation:

Given;

Radius of coil, r = 0.250 m

Number of turns, N = 500-turn

time of revolution, t = 4.17 ms = 4.17 x 10⁻³ s

magnetic field strength, B = 0.425 T

Induced peak emf = NABω

where;

A is the area of the coil

A = πr²

ω is angular velocity

ω = π/2t = (π) /(2 x 4.17 x 10⁻³) = 376.738 rad/s =  60 rev/s

Induced peak emf = NABω

                               = 500 x (π x 0.25²) x 0.425 x 376.738

                               = 15721.16 V

                               = 15.721 kV

Therefore, the peak emf generated by the coil is 15.721 kV

5 0
3 years ago
In a certain chemical process, a lab technician supplies 292 J of heat to a system. At the same time, 68.0 J of work are done on
vekshin1

Answer:

The increase in the internal energy of the system is 360 Joules.

Explanation:

Given that,

Heat supplied to a system, Q = 292 J

Work done on the system by its surroundings, W = 68 J

We need to find the increase in the internal energy of the system. It can be given by first law of thermodynamics. It is given by :

dE=dQ+dW\\\\dE=292\ J+68\ J\\\\dE=360\ J

So, the increase in the internal energy of the system is 360 Joules. Hence, this is the required solution.

3 0
3 years ago
A 0.10-kg ball, traveling horizontally at 25 m/s, strikes a wall and rebounds at 19 m/s. What is the 7) magnitude of the change
IRISSAK [1]

Answer:

Change in momentum will be -4.4 kgm/sec

So option (A) is correct option

Explanation:

Mass of the ball is given m = 0.10 kg

Initial velocity of ball v_1=25m/sec

And velocity after rebound v_2=-19m/sec

We have to find the change in momentum

So change in momentum is equal to =m(v_2-v_1)=0.1\times (-19-25)=-4.4kgm/sec ( here negative sign shows only direction )

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