4 years ago

How are Atomic number and mass number similar and difference?

1 answer:

OverLord2011 [107]4 years ago

8 0

The atomic number is how much space is in a object and the mass number is how much it's filled... if I'm not mistaken...

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Strike441 [17]

Answer:

False

Explanation:

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4 years ago

True or False? Gases such as water vapor condense when they are *heated*.

scoundrel [369]

That statement is false.

"Condense" is what a gas does when it turns into liquid, and that's something that happens when the gas is cooled, not heated.

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4 years ago

a car drives 40 miles east, turns around, then drives 30 miles west. (a) Find the distance traveled by the car. (b) find the car

Dovator [93]

Part A)

Distance is given as sum of total path length

So here as we are given that car drives 40 miles East and 30 miles West

So here the total path length is

$Distance = 40 miles + 30 miles$

$distance = 70 miles$

Part B)

Displacement is given as straight line distance between initial and final position

So here we can see that

$d_1 = 40 miles$ East

$d_2 = 30 miles$ West

Now the total displacement will be

$d = d_1 - d_2 = 40 - 30 = 10 miles$

so the displacement will be 10 miles East

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3 years ago

A 54-kg jogger is running at a rate of 3m/s.What is the kinetic energy f the jogger

leonid [27]

KE=1/2mv²
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4 years ago

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An object has a mass of 5 kg a displacement of 5 m and time of 25 seconds what is the momentum

PSYCHO15rus [73]

Answer:

1 Ns

Explanation:

Velocity = Displacement / time taken

v = 5/25 ⇒ v = 0.2 ms⁻¹

Momentum = mass × velocity

= 5 × 0.2 = 1 Ns

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3 years ago