Entries by Hannah Wangui

A massive amount of the wealth of America

Question A massive amount of the wealth of America (and indeed the entire world) has, over the past couple of centuries, been consolidated in the hands of large, multinational corporations.Is this a good thing?   Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code “Newclient”

 

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What happens to the sound as the train passes the observer?

Question As a train is moving towards an observer, its speed doubles. Does this speed change/impact the frequency of the sound of the whistle from the train? How? What happens to the sound as the train passes the observer?   Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code “Newclient”

 

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What is the frequency (in Hz) of the tone being emitted? (Assume air temperature to be 20°C.)

Question A person stands directly in front of two speakers that are emitting the same pure tone. The person then moves to one side until no sound is heard. At that point, the person is 6.15 m from one of the speakers and 6.19 m from the other. What is the frequency (in Hz) of the tone being emitted? (Assume air […]

 

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A scale reads 114 N when a piece of brass is hanging from it

Question A scale reads 114 N when a piece of brass is hanging from it. What does it read (in N) when it is lowered so that the brass is submerged in water?   Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code “Newclient”

 

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