Physics, 09.09.2019 20:30 cathydaves
For which one of the following situations will the path length equal the magnitude of the displacement? a a ball on the end of a string is moving in a vertical circle. b a toy train is traveling around a circular track. c a train travels 5 miles east before it stops. it then travels 2 miles west. d a ball is rolling down an inclined plane. e a ball rises and falls after being thrown straight up from the earth's surface.
Answers: 3
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What efficiency of a car's engine when heat input is 200,000 joules and waste heat is 150,000 joules? a. 75% b. 35% c. 25% d. 85%
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If frequency goes down, what happens to wavelength? does it get shorter or longer?
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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
For which one of the following situations will the path length equal the magnitude of the displaceme...
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