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Morgarella [4.7K]
4 years ago
5

Materials in which electric charges move freely such as copper and aluminum are called

Physics
1 answer:
yuradex [85]4 years ago
8 0

Answer:

Conductors allow electric charges to move freely

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1. Fill in the blank(s):<br> force mass x
vesna_86 [32]

▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪

➢ 1. force = mass × <u>acceleration</u>

➢ 2. Since unit of weight = kg•m/s²

4 0
3 years ago
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An object that is speeding up is accelerating.<br> True<br> False
Stels [109]
True. The speed of any object will have faster acceleration, and eventually slow down due to gravity.
3 0
3 years ago
Question :
riadik2000 [5.3K]

The second law of motion states that: the acceleration of an object is dependent upon two variables: - the net force acting upon the object and the mass of the object. The acceleration of an object depends directly upon the net force acting upon the object

<h3>Meaning of Motion</h3>

Motion can be defined as the process of changing position willingly or due to a force applied.

Motion can be seen in different forms and types depending on the object.

In conclusion, The second law of motion is used to deduce the formula for acceleration.

Learn more about second law of motion: brainly.com/question/2009830

#SPJ1

8 0
2 years ago
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A neutral atom of uranium (U) has 146 neutrons and a mass number of 238. How many protons does it have?
BARSIC [14]

Answer:

92 protons

Explanation:

The mass number is 238 , so the nucleus has  <u>238  particles</u> in total, including <u>146 neutrons</u>.  So to calculate the number of neutrons we have to subtract:  238  −  146  =  92

4 0
3 years ago
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4. Two forces act on a 2 kg object as shown. What is the magnitude of the acceleration of the object?
aleksandrvk [35]

The resultant force on the object is

∑ <em>F</em> = 〈0, 8〉 N + 〈6, 0〉 N = 〈6, 8〉 N

which has a magnitude of

<em>F</em> = √((6 N)² + (8 N)²) = √(100 N²) = 10 N

By Newton's second law, the acceleration has magnitude <em>a</em> such that

<em>F</em> = <em>m a</em>

10 N = (2 kg) <em>a</em>

<em>a</em> = (10 N) / (2 kg)

<em>a</em> = 5 m/s²

so the answer is B.

4 0
3 years ago
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