1A. The given system of knotted cords (label the left knot as J and the right knot as K)  supports the indicated weights. a) What is the tension TA in cord A? b) What is the tension TB in cord B? c) What is the tension TC in cord C?

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Q: 1. Find the volume of 6.5 kg sample of solid of specific gravity 2.09.

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Q: An independent and constant current source is supplying 0.6 ampere to a uniform copper conductor…

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Q: How much time will it

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Q: The voltage in circuit is 46 V and resistance is 8 ohms, find the current ?

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Q: How much time does it take to lift 350 kg

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Q: Suppose a freshly brewed cup of coffee obeys newtons law of cooling. The coffee has a temperature of…

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Q: A small block with mass m = 0.250 [kg] slides down a frictionless inclined plane that has a height h…

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Q: Calculate the value of work done Force applied on crate=20 N Distance moved by crate=2.02 m

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Q: You rode a roller coaster with a loop 100 meters in height. What is the acceleration due to gravity…

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Q: 3. When Ě = 2î + 4j+ 3z, find the speed of the line on the closed surface of the figure.

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Q: Suppose sound waves produced by a microphone are detected by a speaker as shown in the image below.…

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Q: Is it less expensive to operate the electric heating unit of 5 kW on 240 V than on 120 V?

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Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”