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storchak [24]
3 years ago
7

Please help I will mark brainliest!!

Physics
2 answers:
topjm [15]3 years ago
7 0
Heat makes things get bigger so the ballon will expand in the hot water, hope this helped god bless!
STatiana [176]3 years ago
4 0
Heat makes things expand, so in hot water the ballon will get bigger
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How many planets in the solar system
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Answer:

There are eight planets in our Solar System.

Explanation:

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4 years ago
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Andre, whose mass is 77.1 kg, sits on a diving board above a dunk tank. If he is sitting 0.90 m above the water, what is his tot
Ganezh [65]

Answer:

680 J

Explanation:

Mechanical energy = potential energy + kinetic energy

ME = PE + KE

ME = mgh + ½ mv²

ME = (77.1 kg) (9.8 m/s²) (0.90 m) + ½ (77.1 kg) (0 m/s)²

ME = 680 J

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4 years ago
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When two waves undergo complete, constructive interference, which of the following increases ?
Lostsunrise [7]
A speed cause it would slow down meeting eachother
4 0
4 years ago
What is the mass of an object that is accelerated at 25 m/s2 by a force of 135 N?
yKpoI14uk [10]

Answer:

<h3>The answer is 5.4 kg</h3>

Explanation:

The mass of the object can be found by using the formula

m =  \frac{f}{a}  \\

f is the force

a is the acceleration

From the question we have

m =  \frac{135}{25}   =  \frac{27}{5} \\

We have the final answer as

<h3>5.4 kg</h3>

Hope this helps you

4 0
3 years ago
Can someone help me?
Alik [6]

Answer:

Resultant = 3.05N

Explanation:

r =  \sqrt{{5}^{2} + 5^{2} - 2(5)(5) \cos(120) }

r =  \sqrt{25 + 25 - 50(0.8142)}

r =  \sqrt{50 - 40.71}  =  \sqrt{9.29}

r = 3.05

6 0
3 years ago
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