3 years ago

Relationship between education and income

1 answer:

8 0

To summarise the ﬁndings, in 2012, there is a signiﬁcant and positive relationship between higher education level and income (i.e., higher education qualiﬁcations lead to higher income). ... Next, we examine the incomes of between bachelor's degree and graduate degree holders.

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A ball is rolling along a road at the top of a hill, at a velocity of 10.0 km/hr. The ball rolls down a 50.0 m high hill. Neglec

Andru [333]

Answer:

$v_f = 31.44 m/s$

Explanation:

initial height of the ball is given as

$H = 50.0 m$

initial speed of the ball is given as

$v = 10.0 km/h$

now we know that

$v = 10 \times \frac{1000}{3600}$

$v = 2.78 m/s$

now by energy conservation we can say

initial kinetic energy + initial potential energy = final kinetic energy + final potential energy

$\frac{1}{2}mv_i^2 + mgh_1 = \frac{1}{2}mv_f^2$

$\frac{1}{2}(2.78)^2 + (9.81)(50.0) = \frac{1}{2}v_f^2$

$v_f = 31.44 m/s$

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3 years ago

what happens to the direction of a light wave when it passes from a less dense medium such as air into a more dense medium such

Sav [38]

<span>When a light wave passes from a less dense medium such as air into a more dense medium such as glass, is is bent and distorted, as it has to pass through the denser atom configuration.
</span>

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3 years ago

Waves that move the particles of the medium parallel to the direction in which the waves are traveling are called?

OLEGan [10]

<span>Longitudinal Waves is the correct answer</span>

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3 years ago

How much kinetic energy does 2200kg car have if it is moving at 35m/s

Korolek [52]

Answer:1347500joules

Explanation:

Kinetic energy=(mass(velocity)^2)/2

Kinetic energy=(2200(35)^2)/2

Kinetic energy=(2200×1225)/2

Kinetic energy=2695000/2

Kinetic energy=1347500joules

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4 years ago

Calcula la densidad del hierro , si 393 g ocupan un volumen de 50 ml

eimsori [14]

Density is mass over volume: d=m/v
d = 393/50 => d = 7.86 g/ml

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3 years ago