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Advocard [28]
3 years ago
11

Gravitational force between to masses ______ as the masses increase and rapidly _______ as the distance between the masses incre

ases.
a. Increase, Increase
b. Decrease, Decrease
c. Decrease, Increase
d. Increase, Decrease
Physics
1 answer:
faltersainse [42]3 years ago
5 0


it is d. Increase, Decrease

hope this helped :)

P.S. this was hard to type cuz i have pizza in 1 hand and typing with the other : P

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A box is against a wall. A person pushes on the box, but the box does not move. Is this
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Two children are pulling on opposite sides of a blanket. The brother is pulling with a force of 3 N. The sister is pulling with
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Let F1=Force exerted by the brother (+F1)
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2 years ago
On a hot summer day, 3.50 ✕ 106 J of heat transfer into a parked car takes place, increasing its temperature from 36.5°C to 44.4
anygoal [31]

Answer:

a) \Delta s=443037.9747\ J.K^{-1}

b) \Delta s=31868131.8681\ J.K^{-1}

Explanation:

a)

Given:

amount of heat transfer occurred,dQ=3.5\times 10^6\ J

initial temperature of car, T_i=36.5+273=309.5\ K

final temperature of car, T_f=44.4+273=317.4\ K

We know that the change in entropy is given by:

\Delta s=\frac{dQ}{T_f-T_i}

\Delta s=\frac{3.5\times 10^6}{(44.4-36.5)} (heat is transferred into the system of car)

\Delta s=443037.9747\ J.K^{-1}

b)

amount of heat transfer form the system of house, dQ=5.8\times 10^8\ J

initial temperature of house, T_i=23.5+273=296.5\ K

final temperature of house, T_f=5.3+273=278.3\ K

\Delta s=\frac{dQ}{T_f-T_i}

\Delta s=\frac{5.8\times 10^8}{278.3-296.5}

\Delta s=31868131.8681\ J.K^{-1}

6 0
3 years ago
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