When does new characteristics appear before?

Answers

Answer 1

Answer:

New characteristics appear before the character speaks for the first time .

I hope that's help !

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What is the kinetic energy of a baseball moving at a speed of 40 m/s if the baseball has mass of 0.15 kg?

Answers

Kinetic Energy = 1/2 Mass (kg) * velocity squared (m/s)

KE = 1/2mV^2

KE = 1/2(0.15 kg)(40 m/s)^2

The answer is 120 joules.

0.5mv^2 > 0.5*0.15*40*40=120J

Evaporation: Large amounts of water evaporates from the Earth's ________, _______, __________ every day. The water vapor (evaporation) becomes part of the ________.

Answers

my guesses would be

surface,oceans,rivers,atmosphere

Possible answers:

oceans/seas/lakes/rivers

atmosphere/sky

Explanation:

Most of the air's moisture evaporates from rivers, lakes, seas, and oceans. Water at the surface of the Earth evaporates into water vapor, which rises into the sky and forms clouds, which eventually release water back onto Earth as precipitation.

6. A 73-kg woman stands on a scale in an elevator. Thescale reads 810 N. What is the magnitude and
direction of the elevator's acceleration?

A. 0.23 m/s2 up
B. 1.3 m/s2 up
C. 6.5 m/s2 down
D. 11 m/s2 down

Answers

The magnitude and direction of the elevator's acceleration would be $1.296 ms^(-2) \: upward$

Given the Parameters :

Scale, reading, N = 810 N

Mass, m = 73 kg
Acceleration due to gravity, g = 9.8 m/s²

The Normalforce can be calculated using the relation :

$N = mg + ma$

$N = m(g + a)$

$g + a = (N)/(m)$

$a = (N)/(m) - g$

Substituting the Parameters into the equation :

$a = (810)/(73) - 9.8$

$a = 11.0959 - 9.8$

$a = 1.296 ms^(-2)$

Scale reading > weight of woman (73 × 9.8)

810 < 715.4 (acceleration will be upward)

Therefore, the acceleration of the elevator would be $a = 1.296 ms^(-2) \: upward$

Learn more :brainly.com/question/18266310

Answer:

Explanation:

n = m(g +a)

n= normal force (N)

m=mass (kg)

g=acceleration of gravity

a= acceleration of elevator

rearrange:

a= n/m - g

a= (810 N/73 kg) - 9.8 m/s ^2

a= 1.3 m/s ^2 up

and the acceleration is upwards bc her weight is less than the scale reading

What do you think a divergent (constructive) boundary is? How do plates interact with each other?

Answers

Divergent boundaries are areas where plates move away from each other, forming either mid-oceanic ridges or rift valleys. These are also known as constructive boundaries. ... This causes the oceanic plate to buckle and usually results in a new mid-ocean ridge forming and turning the obduction into subduction.

Hope this helps.

Please mark as brainliest.........

What happens when you increase the amplitude of a sound? it makes the sound travel faster

it makes the sound louder

it increases the wavelength of the sound

it increases the frequency of the sound

Answers

Answer:

It increases the wavelength of the sound and gets softer if the amplitude decreases

Explanation:

And can i have brainlist??

it makes the sound louder louder because the intensity of the sound increases

A kangaroo hops at an angle of 25° to the horizontal with a velocity of 20 m/s. What is the vertical component of the velocity? A. 8.5 m/s B. 12.5 m/s C. 18 m/s D. 20 m/s

Answers

Answer:

A. 8.5 m/s

Explanation:

vᵧ = v sin θ

vᵧ = (20 m/s) (sin 25°)

vᵧ = 8.5 m/s

I took the test and got A) 8.5 correct

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