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dexar [7]
3 years ago
5

Why do people cry but dont say whats wrong they jus stand and act like we kno wha wrong

Physics
1 answer:
Finger [1]3 years ago
5 0

Answer:

usually its because they dont wanna talk

Explanation:

I know what thats  like. Either that or they don't trust you. It could be something personal or they just dont wanna talk. But i wouldn't push. Just let them talk if they want to

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5. How will you separate water from petrol?
ohaa [14]

Answer:

by a seprating funnel or let it stand it will settle on its own

Explanation:

5 0
3 years ago
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Define impulse and momentum.<br>No spam​
Doss [256]

Impulse: a certain amount of force you apply for an amount of time.

Impulse: F*t where F= Force & t=time

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A ball rolling down a slide gains momentum

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Hope it helps!

~Just an emotional teen who listens to music

4 0
2 years ago
How much work is done when an engine generates 400 Watts of power in 25 seconds?
IceJOKER [234]

Answer:

10000 J or 10 KJ

Explanation:

power = workdone/time taken

400 = workdone/25

workdone = 400 * 25

=10000 J

8 0
2 years ago
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A wave x meters long has a speed of y meters per second. The frequency of the wave is
Sergio [31]
The correct answer is (b.) y/x hertz. That is because the formula to get the frequency is f =  v / w. The following values (v=y meters / second; wavelength = x meters) must be substituted to the equation, which leaves you y/x hertz.
6 0
3 years ago
Analysis of the relationship between the fuel economy​ (mpg) and engine size​ (liters) for 35 models of cars produces the regres
kvasek [131]

Answer:

Gas mileage is 17.29

Explanation:

Given data:

The total number of the model is 35

The total size of the engine is 5 ltr

The regression model is given as

36.44 - 3.829\times engine\ size

From the information given in question we have

Regression equation is : model- mpg = 36.44 - 3.829\times engine\ size

Therefore for engine capacity of 5 liters;

Gas mileage = 36.44 - 3.829\times 5  = 17.29

Gas mileage is 17.29

8 0
3 years ago
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