Perform the following calculations and express your answer using the correct number of significant digits. (a) A woman has two bags weighing 13.5 pounds and one bag with a weight of 10.2 pounds. What is the total weight of the bags  (b) The force F on an object is equal to its mass m multiplied by its acceleration a . If a wagon with mass 55 kg accelerates at a rate of 0.0255 m/s2 , what is the force on the wagon? (The unit of force is called the newton, and it is expressedwith the symbol N.)

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A:

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Q: Airlines allow a maximum of 50 lb for each suitcase a passenger brings along. a) How many slugs of…

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Q: Bill runs at a steady pace of 5.00 m/s. How long will it take Bill to run 1.00 mile? (N.B. 1 mile…

A:

Q: Using Excel to make a plot of the Position vs Time given in the following table.  The dependent…

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Q: You are handed a bat that is 6 times as dense on one side as it is on the other side, and 3 times as…

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Q: kilometers

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Q: I forgot my car in a no - parking zone.  A tow truck pulled it away. The truck exerted a force of…

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Q: (a) a baseball O 10-3 kg O 10-¹ kg O 10¹ kg O 10³ kg velghis approximately 2 lb. Use this…

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Q: What is the value of m? Express your answer to two significant figures

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Q: The SI unit of force is the newton, derived from the base units by using the definition of force, F…

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Q: You drive your car a total of 30 km at an average velocity of 30 km/hr. How many hours were you…

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Units and Dimensions

These are generally defined as the terms which precede or describes the dimensions further. These are also further divided into two parts namely fundamental units and the derived units.