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ella [17]
3 years ago
5

What are the movements of boiling water? I'm looking for if they speed up, like that sort of thing. Not how, not why, just what

are the movements.
Physics
1 answer:
fgiga [73]3 years ago
6 0
When a substance is heated, the molecules begin to vibrate faster and the space between molecules increases. So it would be speeding up.
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How can a force change the motion of an object that is already moving?
lara [203]

Answer:They may cause motion to change

Explanation:They may cause motion; they may also slow, stop, or change the direction of motion of an object that is already moving. Since force cause changes in the speed or direction of an object, we can say that forces cause changes in velocity. Remember that acceleration is a change in velocity.

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How fast would a(n) 75 kg man need to run in order to have the same kinetic energy as an 8.0 g bullet fired at 390 m/s
nata0808 [166]

Answer:

Explanation:

½(75)v² = ½(0.008)390²

        v² = (0.008)390²/75

        v² = 16.224

         v = 4.027...

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6 0
3 years ago
What does a moving charge experience when it is near a magnetic field
mars1129 [50]
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3 0
3 years ago
On a hike, you travel 2800 m in 2 h. What is your average speed?
Marina86 [1]
<h2>Greetings!</h2>

Firstly, to find speed you need to remember the speed formula:

Speed = Distance ÷ Time

You can do it by doing 2800 ÷ 2 but that gives m/h (metres per hour)

So to convert hours into seconds, you multiply 2 by 7200 (amount of second in 2 hours:

2 * 7200 = 14400 seconds

Now we can do distance ÷ time by plugging the values in:

2800 ÷ 14400 = \frac{7}{36} ≈0.194

<h3>So the average speed is 0.194m/s (metres per second) </h3><h3 /><h2>Hope this helps!</h2>
7 0
3 years ago
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