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Rus_ich [418]
3 years ago
14

A car tire is filled with air at pressure 325000 pa at 303 K. When the tire cools,its pressure reduces to 299000 Pa. What is the

new temperature of the tire?
Physics
2 answers:
max2010maxim [7]3 years ago
6 0

Answer:

new temperature of the tire will be 278.76 K

Explanation:

when the temperature increases, the particles will have greater kinetic energy and also the pressure will be increase for the gas particles.

so when the temperature increases, pressure  will also increase  and vice versa

 T is directly proportional to P

T1  = initial temperature= 303 k

P1= Initial pressure =  325000 pa

T2= Final temperature=  ?

P2= Final pressure =   299000 pa

mathematically

P1/T1= P2/T2

T2= P2 x T1/P1

T2 = 299000 x 303/ 325000=  278.76 k

Ksivusya [100]3 years ago
4 0

Answer:

278.76 K

Explanation:

When the tire is filled:

Pressure = P1= 325000 Pa

Temperature = T1= 303 K

When the tire cools:

P2 = 299000 Pa

T2 = ?

Solution:

Pressure is directly proportional to absolute temperature. Using pressure temperature relation:

P1/T1 = P2/T2

T2 = P2 x T1/P1

= 299000 x (303/325000)

T2= 278.76 K

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4 0
3 years ago
A professional golfer hits a golf ball of mass 46 g with her 5-iron, and the ball first strikes the ground 155 m away. The ball
RideAnS [48]

Answer:

C=2.32\times 10^{-4}\ Ns^2/m^2

Explanation:

It is given that,

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Answer:

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2 objects have a total momentum of 400kg m/s, they collide. Object A’s mass is5kg & object B’s mass is 11kg. After the colli
ss7ja [257]

Answer:

Explanation:

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where v is velocity of A after the collision .

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5v = 235

v = 47 m /s .

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3 years ago
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