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My name is Ann [436]
2 years ago
8

A rotating, funnel-shaped column of air that extends down to the ground is called a(n) . If it does not reach the ground it is c

alled a(n)
Physics
1 answer:
Rama09 [41]2 years ago
6 0

black women are hideous

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David and Fiona want to know about how mass affects the motion of an object. David uses three objects with masses of 2 kg, 3 kg,
Natali [406]

Answer: the answer is D if its not i'm really sorry

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2 years ago
HELP!! ME pls which Which of the following graphs correctly shows the relationship between KE and VELOCITY? *
faltersainse [42]

Answer: Option 3.

Explanation:

Formula for kinetic energy is

K.E = (1 / 2) * (m * v ^ 2)

Assuming mass to be constant,

We can see that K.E is proportional to v^2.

It means that when you substitute the value of velocity in v, kinetic energy increases with v^2.

Option 1 and 2 are eliminated because the relationship between kinetic energy and velocity in the graph is shown as linear. We already know from formula that the relationship is not linear.

Option 4 is incorrect because kinetic energy must be zero when velocity is zero. This graph shows kinetic energy is becoming infinite as velocity tends to 0.

So option 3 is correct answer.

3 0
3 years ago
Question 1 Multiple Choice Worth 2 points)
Vinil7 [7]

Answer:

2 atoms of oxygen in carbon dioxide

Explanation:

4 0
3 years ago
A wire carries a current of 4.1 A. How many electrons per second are passing any cross sectional area of the wire? Enter your an
aivan3 [116]

To solve this problem it is necessary to apply the concepts related to Current and Load.

The current in terms of the charge of an electron can be expressed as

i = \frac{q}{t}

Where,

q = Charge

t = time

At the same time the Charge is the amount of electrons multiplied by the amount of these, that is

q = ne

Replacing in the first equation we have to

i = \frac{q}{t}

i = \frac{ne}{t}

Clearing n,

n = \frac{it}{e}

Here the time is one second then

n = \frac{i}{e}

n = \frac{4.1}{1.6*10^{-9}}

n = 2.56*10^{19}electrons

Therefore the number of electrons per second are passing any cross sectional area of the wire are 2.56*10^{19}electrons

3 0
3 years ago
Why is sustainable use important?
marusya05 [52]
To make sure that we have enough resourses to sustain ourselves. You see, if we use up, say, all water on earth, then obviously we won't have any more and we'll die.
4 0
3 years ago
Read 2 more answers
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