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Leona [35]
3 years ago
13

Ken’s prediction for December was –5°C.

Physics
2 answers:
goblinko [34]3 years ago
6 0

Answer: ALL U NEED TO DO IS SUBTRACT SO THE ANSWER IS.............................................................................................................................................-2 WAA HOO PLS LEAVE 5 STARZ AND THANK

Veronika [31]3 years ago
5 0

Answer:

-2 degrees

Explanation:

just subtract

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A small drop of water is suspended motionless in air by a uniform electric field that is directed upward and has a magnitude of
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To solve this problem we will apply the concepts related to the electric field such as the smelting of the Force and the load (In this case the force is equivalent to the weight). Later we will apply the ratio of the total charge as a function of the multiplication of the number of electrons and their individual charge.

E = \frac{mg}{q}

Here,

m = mass

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Rearranging to find the charge,

q = \frac{mg}{E}

Replacing,

q = \frac{(3.37*10^{-9})(9.8)}{11000}

q = 3.002*10^{-12}C

Since the field is acting upwards the charge on the drop should be negative to balance it in air. The equation to find the number of electrons then is

q = ne

Here,

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Replacing,

n = \frac{3.002*10^{-12}}{1.6*10^{-19}}

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5 0
3 years ago
Which term describes speed in a certain direction?
11Alexandr11 [23.1K]

Answer:

A. Velocity

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Velocity is vector quantity thus has both magnitude and direction. It describes not only the speed but also the direction. Speed is scalar quantity so describes only speed but not direction. Energy has nothing to do with speed, acceleration describes change in velocity in a direction over time

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Answer:....

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Acceleration is defined as the rate of change for which of the following? Question 4 options: time position velocity displacemen
vovangra [49]

Acceleration can be defined as the rate of change in the velocity of an object. Option C is correct.

<h3>What is Acceleration?</h3>
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a =  \dfrac {v-u}t\ \ \ \ \rmor}\\\\a = \dfrac {\Delta v }t

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Learn more about Velocity:

brainly.com/question/2239252

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When an object moved in a circle ___ acts to accelerate the object toward the center of that cirlce
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Centripital acceleration. When an object moves in a circle, centripital acceleration acts to accelerate the object towards the center of that circle
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