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What is the efficiency of an engine that does 80 j of work and exhausts 320 j of heat while taking in 400 j of heat ? a. 10% b. 20% c. 80% d. 25%
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Four friends, a, b, c, and d are standing varying distances away from a speaker which is producing sound waves.
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Check the following equation for dimensional homogeneity: ⅆ mv=∫t1t2(fcosθ)ⅆt where m is mass, v is velocity, f is force, θ is an angle, and t is time. check that each term in the equation has the following dimensions: [malbec] where you are to choose the coefficients a, b, c.
Answers: 2
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