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Trava [24]
3 years ago
8

Why do ice cubes float to the top of a glass of water?

Physics
2 answers:
Sergio [31]3 years ago
5 0
I’ve had a lower density than water
nikklg [1K]3 years ago
3 0

Answer: B, Ice has a lower density than liquid water.

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The time for a sound wave to travel between two people is 0.80 s,
sasho [114]

Answer:

Explanation:

Using the below formula

Speed of sound = ( distance between observers) *2/(total time taken)

Now putt the given values ,

time taken = 0.80 sec

distance = 256 m

hence

V of sound= 256*2/0.80

V of sound = 640 m/sec

4 0
3 years ago
A force causes a mass of 4 kg to have an acceleration of 8 m/s2. Suppose something causes the mass to be one-quarter of its orig
solniwko [45]

Explanation:

From Newton's second law:

F = ma

Given that m = 4 kg and a = 8 m/s²:

F = (4 kg) (8 m/s²)

F = 32 N

If m is reduced to 1 kg and F stays at 32 N:

32 N = (1 kg) a

a = 32 m/s²

So the acceleration increases by a factor of 4.

5 0
3 years ago
How might a nation be affected if another nation did not follow agreed upon water rules
forsale [732]
The other nation will get mad at the other nation and they could start a war
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4 0
3 years ago
Which of the following can only be a situation of increasing temperature?
Papessa [141]

Increasing the temperature causes an increase in the average kinetic energy of the particles of a material.

<h3>What is average kinetic energy of particles?</h3>

The average kinetic energy of particles is the energy possessed by particles due to their constant motion.

The constant motion of particles occurs due to the energy acquired by the particles, when the temperature of the particles increases, the average kinetic energy increases which in turn increases the speed of the particles.

Thus, we can conclude that, increasing the temperature causes an increase in the average kinetic energy of the particles of a material.

Learn more about average kinetic energy here: brainly.com/question/9078768

5 0
2 years ago
Which of the answer choices best describes the property of volume? the amount of space a substance's matter occupies the amount
vova2212 [387]

Answer:

amount of space occupied

4 0
3 years ago
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