An inventor tries to sell you his new engine which takes in 40. Joules of heat at 87C on each cycle, expels 30. Joules at 27C, and does 10. Joules of work. Why are you not fooled, and can have him prosecuted as a fraud?
What will be an ideal response?
Question 2
When a mass of 0.350 kg is attached to a vertical spring and lowered slowly, the spring stretches a distance d. The mass is now displaced from its equilibrium position and undergoes 100 oscillations in 48.9 s. What is the stretch distance d?
A) 2.35 cm
B) 2.97 cm
C) 4.71 cm
D) 5.94 cm
E) 6.28 cm
Arctic and alpine cushion plant form and orientation increases heat gain from sunlight and the surro
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