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tekilochka [14]
3 years ago
10

4. Ron and Hermoine are fighting over the Monster book of Monsters and they are both pulling on the book with a force of 14 N (e

qually and in opposite directions). What will happen to the book in this situation? A) The book will slide towards Ron B) The book will slide towards Hermoine C) The book will fly up in the air D) The book will not move
Physics
2 answers:
marysya [2.9K]3 years ago
5 0

D. The book will not move.

When two forces are pulling against each other with equal force, there is no movement since they will both cancel each other out.

V125BC [204]3 years ago
4 0

the correct answer is D. we went over in class

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A sample of n2 gas occupies a volume of 746 ml at stp. What volume would n2 gas occupy at 155 ◦c at a pressure of 368 torr?
musickatia [10]

Answer:

2.41 L

Explanation:

We can solve the problem by using the ideal gas equation, which can be rewritten as:

\frac{p_1 V_1}{T_1}=\frac{p_2 V_2}{T_2}

where we have:

p_1 = 1.01\cdot 10^5 Pa (initial pressure is stp pressure)

V_1 = 746 mL = 0.746 L = 7.46\cdot 10^{-4}m^3 is the initial volume

T_1 = 0^{\circ}=273 K is the initial temperature (stp temperature)

p_2 = 368 torr = 4.9\cdot 10^4 Pa is the final pressure

V_2 = ? is the final volume

T=155^{\circ}=428 K is the final temperature

By substituting the numbers inside the formula and solving for V2, we find the final volume:

V_2 = \frac{p_1 V_1 T_2}{T_1 p_2}=\frac{(1.01\cdot 10^5 Pa)(7.46\cdot 10^{-4} m^3)(428 K)}{(273 K)(4.9\cdot 10^4 Pa)}=2.41\cdot 10^{-3} m^3

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