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First Law of Thermodynamics Solutions Library

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5 solutions

First Law of Thermodynamics

Q. An athlete doing push-ups performs 650 kJ of work and loses 425 kJ of heat. What is the change in the internal energy of the athlete? a) -225 KJ ...

Solved • Jun 6, 2017

First Law of Thermodynamics

Q. Consider the head-on collision of two masses, m1 = 3 kg moving to the right with speed 6 m/s and m2 = 6 kg moving to the left with speed 3 m/s. Giv...

Solved • May 16, 2017

First Law of Thermodynamics

Q. A skater pushes straight away from a wall. She pushes on the wall with a force whose magnitude is F, so the wall pushes on her with a force F (in t...

Solved • May 16, 2017

First Law of Thermodynamics

Q. The temperature of 5.0 moles of an ideal gas is increased from 100°C to 300°C. If this is done at constant volume, 3.0 x 104 J of heat energy flows...

Solved • Jan 25, 2017

First Law of Thermodynamics

Q. Six moles of a monatomic ideal gas undergo the process shown in the figure. State 1 has pressure p1 = 4.00 x 105 Pa and volume V1 = 2.00 x 10-3 m3....

Solved • Jan 25, 2017