Entries by Hannah Wangui

The resistance of each brake lightbulb on an automobile is 7.1 Ω.

Question The resistance of each brake lightbulb on an automobile is 7.1 Ω.  Use the fact that cars have 12-V electrical systems to compute the current that flows in each bulb if they are connected in series. (For simplicity, assume that the circuit is only composed of one brake lightbulb and the car battery.)    Looking for […]

 

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How many coulombs of charge flow through it during that time?

Question A current of 0.3 A  goes through an electric motor for 7 min.  How many coulombs of charge flow through it during that time?   Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code “Newclient”

 

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What frequency of sound traveling in air at 20°C

Question What frequency of sound traveling in air at 20°C has a wavelength equal to 1.7 m,  the average height of a person?   Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code “Newclient”

 

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What is the speed of sound in argon?

Question A 220-Hz  sound travels through pure argon. The wavelength of the sound is measured to be 1.45 m.  What is the speed of sound in argon?   Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code “Newclient”

 

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