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Alenkinab [10]
2 years ago
15

Help pls lol and tysm

Physics
1 answer:
Zanzabum2 years ago
7 0

Answer:

umm section 2 and 4

Explanation:

because at section 2 it starts and at section 4 it moves again and stops at 3.

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Hey can someone please help me and can u show your work plz plz plz plz
Tju [1.3M]

Answer:

Good luck

Explanation:

4 0
3 years ago
When it reaches an altitude of 3600 m, where the temperature is 5.0∘C and the pressure only 0.68 atm, how will its volume compar
dalvyx [7]

Answer:

The question was incomplete. Here is the complete question.

Explanation:

A helium-filled balloon escapes a child’s hand at sea level and 20.0C. When it reaches an altitude of 3600 m, where the temperature is 5.0∘C and the pressure only 0.68 atm, how will its volume compare to that at sea level?

The ideal gas equation:

PV = nRT

P = absolute pressure

V = Volume of a gas

n = no of moles of a gas

R = ideal gas constant

T = Absolute temperature of a gas

For initial and final states:

P_{i}V_{i} = nRT_{i}   \\P_{f}V_{f} = nRT_{f}   \\\frac{V_{f} }{V_{i} } = \frac{P_{i}T_{f} }{P_{f}T_{i} }

= 1.4

7 0
3 years ago
How many significant figures are in the measurement 230kg
Free_Kalibri [48]
There are 39 sig. figs.
6 0
3 years ago
When you heat ice on a hot stove, the ice melts. what is happening during this process?
masya89 [10]
Heat energy is being transferred
5 0
3 years ago
Read 2 more answers
If energy cannot be created or destroyed, where does it go?
blondinia [14]
It transfers and changes into different types of energy, this is why the ground feels hot when something moves fast over it.
3 0
3 years ago
Read 2 more answers
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