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jolli1 [7]
3 years ago
11

A wire having a mass per unit length of 0.440 g/cm carries a 1.50-A current horizontally to the south. (a) What is the direction

of the minimum magnetic field needed to lift this wire vertically upward?
Business
1 answer:
coldgirl [10]3 years ago
4 0

Answer:

B = 0.287  Tesla

According to thumb rule the direction of magnet is to the east.

Explanation:

F = BiL sin∅

note that F = mg

B = magnetic field

i = current

therefore,

mg = BiLsin∅

Make B subject of the formula

B = mg/iLsin∅

m/L = mass per length of the wire and it is given in gram per centimeter . It should be converted to kg per meter.

m/L = 0.440 g/cm

convert to kg/m = 0.440 × 0.001 kg × 100 m = 0.044  kg/m

B = 9.8 × 0.044 / sin 90 × 1.50 × 1

B = 0.4312/ 1.50

B = 0.28746666666

B = 0.287  Tesla

According to thumb rule the direction of magnet is to the east.

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Cash from operations = 25,000 - 100,000 =($ 75,000).

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Answer:

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You are considering investing $2,600 in a complete portfolio. The complete portfolio is composed of Treasury bills that pay 4% a
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Answer:

40% , 24% and 16%

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3 years ago
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The inventory of Bramble Company on December 31, 2020, consists of the following items. Part Quantity Cost per Unit Net Realizab
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110        620              <u>$121.00</u>                 $127.00          $75,020

111        1,080             $76.20                  <u>$66.00</u>            $71,280        

112         540             $101.60                  <u>$97.00</u>           $52,380

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