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3 years ago

15

Which of the following describe wind patterns created by a low-pressure front, where two air masses are interacting? Choose one

answer below.

1 answer:

viva [34]3 years ago

6 0

Answer:

I think its might Be number B

Explanation:

tell me if im rong

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A ball is thrown straight up with an initial speed of 12 m/s. What are the velocity and acceleration when it is at the top of it

Lesechka [4]

Answer:

'A ball is thrown straight up with an initial speed of 12 m/s_ What are the velocity and acceleration when it is at the top of its trajectory? Select all apply. v=12 mls a = 0 v =-12 mls a = 9.8 m/s2 Oa=-9.8 m/s2'

Explanation:

I look it up

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3 years ago

This graph shows a ball rolling from A to G. The ball starts at point A and rolls to point G.

Lerok [7]

11. B

12. A

13. D

14. The ball burnt off energy while rolling, it lost potential energy and couldn't go as high.

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3 years ago

a horse began running due east and covered 25km in 4.0 hours what is the average velocity of the horse

Komok [63]

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3 years ago

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A bar of silicon is 4 cm long with a circular cross section. If the resistance of the bar is 280 Ω at room temperature, what is

monitta

Answer:

r = 17.05 cm

Explanation:

Given that,

Length of silicon bar is 4 cm or 0.04 m

Resistance of the bar is 280 ohms

We know that the resistivity of the silicon is 640 Ωm

We need to find the cross-sectional radius of the bar. Let it is r.

Using definition of resistance of an object. It is given by :

$R=\rho\dfrac{l}{A}$

A is area of bar, A = πr²

So,

$R=\rho\dfrac{l}{\pi r^2}\\\\r^2=\dfrac{\rho l}{R\pi}\\\\r^2=\dfrac{640\times 0.04}{280\pi}\\\\r=0.1705\ m\\\\r=17.05\ cm$

So, the cross-sectional radius of the bar is 17.05 cm.

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4 years ago

Which proportion can you use to find the value of a? (posted in this category because of bots)

pantera1 [17]

Answer:

But you a BjTCH

Explanation:

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3 years ago