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NeTakaya
2 years ago
13

Would a larger balloon float better or worse than a smaller balloon?

Physics
1 answer:
CaHeK987 [17]2 years ago
4 0

Answer:

The bigger balloon will have a larger area and would experience a greater buoyant force exerted on it which would make it even lighter than a smaller balloon and will have higher payload capacity than a smaller one.

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How do i do this question?just number 5
larisa86 [58]

5 a)

Start by arranging the materials by the sonic speed and then their physical state:

  • 4600 \; \text{m} \cdot \text{s}^{-1}- Copper (solid)
  • 4500 \; \text{m} \cdot \text{s}^{-1}- Glass (solid)
  • 4000 \; \text{m} \cdot \text{s}^{-1}- Wood (solid)
  • 1500 \; \text{m} \cdot \text{s}^{-1}- Sea Water (liquid)
  • 1200 \; \text{m} \cdot \text{s}^{-1}- Acetone (liquid)
  • 1100 \; \text{m} \cdot \text{s}^{-1}- Alcohol (liquid)
  • 972 \; \text{m} \cdot \text{s}^{-1}- Helium (gas)
  • 267 \; \text{m} \cdot \text{s}^{-1}- Carbon dioxide (gas)

What trend do you identify from these data? Here's what I've got:

\text{Sonic Speed}: \text{solid} > \text{liquid} > \text{gas}

5 b)

The way microscopic particles are arranged in a substance helps distinguish between different physical states:

  • Particles in a solid are held tightly in place with small separation in between; it's hard for particles in a solid to move past one another; solids therefore have shapes that persists over time.
  • Particles in a gas are highly mobile- they keep moving AT ALL TIMES. There are large separations between individual particles and therefore gases tend to show no definite shape or volume.
  • The arrangement of particles in a liquid is located somewhere in between that of solids and gases. The exact configuration is dependent on the nature of the liquid- for example, molecules in maple syrup are held way closer to each other than those in distilled water are.

Sound travels as a longitudinal wave. As a sound wave passes through a medium, individual particles become excited and gain energy; as they run into others they transfer their energy to the next particle; the sound wave thus propagate across the medium. With a lower average distance between individual particles this action can proceed at a greater rate in average solids than in average liquids, and in average liquids than in average gases. Hence the trend.

3 0
4 years ago
26. The problem with calculating the speed of an object simply by dividing distance by time is​
Gekata [30.6K]

Answer:

We obtain the average velocity instead of the instantaneus velocity.

Explanation:

The problem with calculating speed in this way is that an average speed is being calculated and not an instantaneous speed at a given point.

V_{average} =\frac{x}{t} \\where:\\x = distance\\t = interval of time

To calculate the instantaneous speed, a very small space interval must be measured at a given time.

8 0
3 years ago
A stretched rubber band has ___________ energy. a. elastic kinetic energy b. gravitational potential energy c. elastic potential
densk [106]

Answer: Option (c) is the correct answer.

Explanation:

An elastic object is defined as the object that is able to retain its shape when a force is applied on it.

For example, when we pull a rubber band then it stretches and when we withdraw the force applied on it then it retain its shape.

As we know that potential energy is the energy obtained by an object due to its position.

So, when we stretch a rubber band then it will have elastic potential energy as position of the rubber band is changing and since, it will retain it shape hence it has elastic potential energy.

Thus, we can conclude that a stretched rubber band has elastic potential energy.

3 0
4 years ago
What equation links charge flow, current and time?<br> I will award Brainliest if CORRECT!
Aliun [14]

Answer:

Q=it

Explanation:

\purple {\bold {Q = it}} is the equation equation that links charge flow, current and time.

Here,

Q = Charge

i = current

t = time

4 0
3 years ago
De que trata la primera ley de newton
Tasya [4]
uhm i think i don’t understand what it says but i can answer if it was English ! i also tried to translate it but it didn’t help !
4 0
3 years ago
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